nothin

(there's) nothing to it

1. It is or was very simple or easy; it isn't or wasn't difficult at all. And see? The computer starts up again like new. Nothing to it! A: "Are pancakes hard to make?" B: "Oh no, there's nothing to it."
2. There is no truth to what is being discussed. People like to think I somehow rigged the election, but there's simply nothing to it. A: "And what about the rumors that you leaked the information?" B: "Nothing to it. Simply rumors."
See also: nothing

nothing but

1. To the exclusion of all else. Tom talks about nothing but sports whenever I see him. My toddler is so fussy. At the moment, he'll eat nothing but cheese and drink nothing but apple juice.
2. A large quantity of or exclusively (the thing that has just been inquired about). Typically used hyperbolically. A: "Do you have any extra pens?" B: "Nothing but! Take your pick."
See also: but, nothing

nothing doing

Under no circumstances; I will not permit it; absolutely not. A: "Mom, can I borrow the car this Saturday?" B: "After the dent you left in it the last time? Nothing doing!"
See also: nothing
Farlex Dictionary of Idioms.

nothing but

only; just. Jane drinks nothing but milk. Dave buys nothing but expensive clothes.
See also: but, nothing

(There ain't) nothin' to it.

Rur. It is easy. Mary: How do you keep your car so shiny? Tom: There ain't nothin' to it. I just wax it once a week. It took Jane just two minutes to sew up the hole in my shirt. "See?" she said. "Nothin' to it!"
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

nothing but

Only, as in She thinks of nothing but money. This term was first recorded about 1380.
See also: but, nothing

nothing doing

Certainly not, as in Can I borrow your down coat?-Nothing doing. This colloquial interjection was first recorded in 1910. Also see, no dice.
See also: nothing
The American Heritage® Dictionary of Idioms by Christine Ammer.

nothing doing

1 there is no prospect of success or agreement. 2 nothing is happening. informal
See also: nothing
Farlex Partner Idioms Dictionary

ˈnothing but

only: Nothing but the freshest vegetables are used in our restaurant.
See also: but, nothing

ˌnothing ˈdoing

(informal) used to refuse a request: ‘Can you lend me ten dollars?’ ‘Nothing doing!’
See also: nothing
Farlex Partner Idioms Dictionary

nothing doing

Informal
Certainly not.
See also: nothing
American Heritage® Dictionary of the English Language, Fifth Edition.

nothing doing

Absolutely not. This response to a request, suggestion, or statement of something one considers untrue dates from the late 1800s. People used it on June 22, 1947: “It was suggested that she should come incognito. Nothing doing.” Also see not on your life, and, for a more recent expression of denial or refusal, no way.
See also: nothing
The Dictionary of Clichés by Christine Ammer
See also:
  • (there's) nothing to it
  • nothin' to it
  • nothing to it
  • Nothing to it!
  • nothing to it, there's
  • there's nothing to it
  • whips of
  • cackleberry
  • drench
  • drench in
References in classic literature
That's the land of nothin' to do out there, an' I got a ticket for it - an' it ain't no return ticket, b'gosh!"
"Oh, nothin' like that--though there's nothin' to stop him.
Well, he said, 'I guess nothin', Butch.' Just like that.
Dat jist ain't nothin' at all, 'longside o' what I knows."
It's just de truth, en nothin' but de truth, so he'p me.
'"Feel myself ashamed and completely circumscribed in a- dressin' of you, for you are a nice gal and nothin' but it."'
"Eh!" said Lisbeth, "that's very well for ye to talk, as looks welly like the snowdrop-flowers as ha' lived for days an' days when I'n gethered 'em, wi' nothin' but a drop o' water an' a peep o' daylight; but th' hungry foulks had better leave th' hungry country.
Steyning tuk him fer the reason the thief tuk the hot stove - bekaze there was nothin' else that season.
An' wasn't it a week later that the poor little ladies was put ashore on the other side of the island, with nothin' before 'em but to walk home acrost the mountains on their weeny-teeny little straw sandals which wouldn't hang together a mile?
Now, I bought a gal once, when I was in the trade,--a tight, likely wench she was, too, and quite considerable smart,--and she had a young un that was mis'able sickly; it had a crooked back, or something or other; and I jest gin 't away to a man that thought he'd take his chance raising on 't, being it didn't cost nothin';--never thought, yer know, of the gal's taking' on about it,--but, Lord, yer oughter seen how she went on.
"If I could once ketch that consarned old thief," exclaimed Abner righteously, "I'd make him dance,--workin' off a stolen sleigh on me an' takin' away my good money an' cider press, to say nothin' o' my character!"
There's been twelve in our cottage as had th' stomach an' nothin' to put in it.
"When a man's alone on these flats, with a light head and a light stomach, perishing of cold and want, he hears nothin' all night, but guns firing, and voices calling.
It's jest a damn' good belt on th' head, an' nothin' more.
After that she shut up like an oyster an' wouldn't have nothin' ter do with nobody fur a spell.