really

(it) (really) doesn't matter to me

I have no preference. A: "Where do you want to go to dinner?" B: "It doesn't matter to me. Any place you pick is fine." A: "You like the blue or the white paint better?" B: "Doesn't matter to me. It's your house, so you choose."
See also: matter

be (really) something

To be particularly noteworthy, remarkable, interesting, special, or impressive. Wow, this new car of yours is really something! A: "I hope we get a chance to meet the band after the concert." B: "Yeah, now that would be really something!"
See also: something

be a toss-up

To be a situation in which the outcome cannot be predicted or a decision between two things is very close. I don't know which team will win. Both have done so well this season that it's a toss-up. Should I take the entry level position, or go back to school? It's really a toss-up in my mind.

be worked up

To be in a state of mental or emotional agitation. Often modified as "all worked up" or "really worked up." You're worked up over nothing—I'm sure the doctor will tell you it's nothing. Mom was really worked up when I spoke to her on the phone. The professor said she really needed to speak with me later, and now I'm all worked up that I might be failing the course!
See also: up, work

I really must go

I truly have to depart. Used especially when one's intention to leave has already been stated. Thank you for the drink, but I really must go now. I'd love to stay longer, but I really must go now.
See also: go, must, really

I'm (really) fed up (with someone or something)

I'm irritated, exasperated, bored, or disgusted with someone or something. I'm really fed up listening to all your complaining! I'm fed up with our car, but we just can't afford a new one right now.
See also: fed, someone, up

like I (really) give a shit

rude slang I don't actually care, and I have no reason to, either. A: "You can't steal that! It takes money away from the person who made it!" B: "Like I really give a shit—that's their problem, not mine." A: "Hey, we have a test tomorrow!" B: "Like I give a shit. I want to get hammered and play video games!"
See also: give, like, shit

not (really) (one's) scene

Not something one particularly enjoys or is adept at. A: "Do you want to come with me to the concert this Saturday?" B: "No thanks, heavy metal isn't my scene." I'll give it a try, but car repair isn't really my scene.
See also: not, scene

not (really) (one's) thing

Not something one particularly enjoys or is good at. A: "Do you want to come with me to the concert this Saturday?" B: "No thanks, country isn't my thing." I'll give it a try, but car repair isn't really my thing.
See also: not, thing

oh really

An interjection of interest, surprise, or irritation, usually said in response to a comment from another person. Oh really? How do you know my mom? Oh really? Well, if you don't need me telling you what to do, then I guess you don't need me cooking for you either!
See also: oh, really

pack it in

1. To cease doing something, especially a job, hobby, or endeavor. Once he was no longer able to keep his hand steady, Tom knew he had to pack it in as a surgeon. Video games have gotten too expensive and time-consuming—I think I'm ready to pack it in. Sales have dwindled down to nothing. I think it's about time we packed it in for the season.
2. To eat a large amount of food, especially when doing so is surprising. Often used with "can" or "could." For such a skinny little guy, you can really pack it in! I could always pack it in when I was younger without gaining a pound. Now, I just look at a piece of cake, and I seem to put on weight!
See also: pack

see (one) for what (one) (really) is

To recognize one's true identity or nature. It was only after overhearing a conversation she wasn't supposed to witness that Hailey saw Doug for what he really is—a two-faced backstabber. I wish Janet would see me for who I am, and not lump me together will all those other jerks in the office.
See also: see, what

that (really) burns me up

What just happened or was just said makes me really angry or irritated. A: "Kids have been spreading a lot of gossip about Kelly at school." B: "That that really burns me up. Kids can be so cruel sometimes." He said I hadn't been putting in as much effort as I could have, and that just burns me up, because I feel like I've been giving it my all lately.
See also: burn, that, up

that is sweet of (someone)

That is so nice, kind, or heartwarming. An intensifier is commonly used before "sweet." A: "Did you hear that Nina sent me flowers at the office?" B: "Oh, that's sweet of her. I know she thinks of you as a second mother." Thank you so much for the card. That was awfully sweet of you.
See also: of, sweet, that

What's good (with you)?

slang What's going on? How are you doing? What's new with you? "With you" can be colloquially contracted into "witcha" or "witchu." A: "Hey, bro, what's good'?" B: "Yo Mike, not much man." What's good, everyone? Y'all have a good weekend? A: "How you doin', girl?" B: "I'm aight, what's good witchu?"
See also: good

worked up

In a state of mental or emotional agitation. Often modified as "all worked up" or "really worked up." You're getting worked up over nothing—I'm sure the doctor will tell you it's nothing. Mom sounded really worked up when I spoke to her on the phone. The professor said she really needed to speak with me later, and now that has me all worked up that I might be failing the course!
See also: up, work
Farlex Dictionary of Idioms.

(I) really must go.

an expression announcing or repeating one's intention to depart. Bob: It's getting late. I really must go. Jane: Good night, then. See you tomorrow. Sally: I really must go. John: Do you really have to? It's early yet.
See also: go, must, really

pack it in

 
1. Fig. to quit trying to do something; to give up trying something and quit. I was so distressed that I almost packed it in. I've had enough! I'm going to pack it in.
2. Fig. to go to bed. Good night. It's time for me to pack it in. We drove to a hotel and packed it in.
See also: pack

*worked up (over something)

 and *worked up (about something)
excited and agitated about something. (*Typically: be ~; get ~; get oneself ~.) Tom is all worked up over the tax increase. Don't get so worked up about something that you can't do anything about.
See also: up, work
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

pack it in

Stop working or abandon an activity, as in Let's pack it in for the day. This usage alludes to packing one's things before departing, and during World War I became military slang for being killed. It also is used as an imperative ordering someone to stop, as in Pack it in! I've heard enough out of you. In Britain it is also put as pack it up. [Colloquial; early 1900s]
See also: pack
The American Heritage® Dictionary of Idioms by Christine Ammer.

be a toss-up

COMMON People say that something is a toss-up when they think that two things are equally likely to happen or be chosen. She might go to Scapa. Or Rosyth. It's a toss-up really. They said it's a toss-up whether oil prices will go up or down over the days ahead. Note: When you toss a coin, there is an equal chance that the coin will land heads or tails.
Collins COBUILD Idioms Dictionary, 3rd ed.

pack it in

stop what you are doing. informal
See also: pack
Farlex Partner Idioms Dictionary

ˌpack it ˈin

(informal, especially British English) stop doing something: Your guitar playing is getting on my nerves. Pack it in, will you? I didn’t like my last job so I packed it in.
See also: pack

be a ˈtoss-up (between A and B)

(informal, especially British English) be a situation in which either of two choices, results, etc. is equally possible: ‘Have you decided on the colour yet?’ ‘It’s a toss-up between the blue and the green.’
This expression refers to tossing a coin in order to make a decision about something.
Farlex Partner Idioms Dictionary

Like I really give a shit!

and LIRGAS
exclam. & comp. abb. I really don’t care. (Usually objectionable.) You are telling me this why? LIRGAS!
See also: give, like, really

What’s really good witcha?

interrog. How are you? Mooshoo! What’s really good witcha.
See also: good, really
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions

pack it in

Informal
To cease work or activity: Let's pack it in for the day.
See also: pack
American Heritage® Dictionary of the English Language, Fifth Edition.

really and truly

Genuinely, undoubtedly. This redundancy (really and truly mean the same thing, but the repetition makes for emphasis) dates from the eighteenth century. The OED holds it is a North American children’s locution, but nearly all of its citations, ranging from Henry Fielding (1742) to the present, are from adult books. Thomas Macaulay used it in his The History of England (1849), “The king is really and truly a Catholic.”
See also: and, really, truly
The Dictionary of Clichés by Christine Ammer
See also:
  • (it) (really) doesn't matter to me
  • doesn't matter to me
  • I don't care
  • have (any/no) feelings about (someone or something)
  • have feelings about
  • penchant
  • It don’t make me no nevermind
  • It don’t make no nevermind
  • it don't make (me) no never mind
  • (it) makes me no never mind
References in classic literature
"Consider," replied this curious little man, "how you yourself really feel about such things.
"But," he ended, "he does really conceal his toilet."
"'Oh, I am so sorry,' said Hans, 'but I am really very busy to-day.
"'Well, really,' said the Miller, 'I think that, considering that I am going to give you my wheelbarrow, it is rather unfriendly of you to refuse.'
"Yes, and I say to you, if you are really strong, really superior, really pious, or impenetrable, which you were right in saying amounts to the same thing -- then be proud, sir, for that is the characteristic of predominance.
This silly boy doesn't really want it, and I really do."
Gray, and that you don't really object to being reminded that you are extremely young."
But I don't believe He could really have looked so sad or the children would have been afraid of Him."
I really felt sure he thought praying was a disagreeable duty.
It seemed to Prince Andrew that the officer's remark was just and that really no answer could be made to it.
Prince Andrew listened attentively to Bagration's colloquies with the commanding officers and the orders he gave them and, to his surprise, found that no orders were really given, but that Prince Bagration tried to make it appear that everything done by necessity, by accident, or by the will of subordinate commanders was done, if not by his direct command, at least in accord with his intentions.
Now, it would be really having Frank in their neighbourhood.
But while I realised all this, and, with a veritable aching of the heart at the loss of her, felt a curious satisfaction at the turn of events, still my own psychology became all the more a puzzle to me, and I asked myself, with some impatience, what I would be at, and what it was I really wanted.
But, really, there is no need to lecture me upon the charms and virtues of Nicolete, for I loved them from the first moment of our strange introduction, and I dream of them still.
However, the explanation is not really difficult to find.