yo

bust a cap in (someone's) ass

slang To murder or attempt to murder someone with a gun. If you don't get out of here right now, we're gonna bust a cap in your ass! They busted a cap in his ass when he began hurling racial slurs at them.
See also: ass, bust, cap

froyo

Frozen yogurt. (Formed as a portmanteau of the two words.) Do you want to stop and get some froyo for dessert?

pop a cap in (someone's) ass

slang To murder or attempt to murder someone with a gun. Primarily heard in US. If you don't get out of here right now, we're gonna pop a cap in your ass! They popped a cap in his ass when he began hurling racial slurs at them.
See also: ass, cap, pop

up and down like a yo-yo

1. Moving rapidly and frequently between high and low positions. Please tell me I didn't forget something else upstairs because I've already been up and down like a yo-yo.
2. Changing rapidly and frequently between highs and lows states. After my sister died, I was up and down like a yo-yo—fine one minute and crying the next. But I guess that's grief for you. The stock market has been swinging up and down like a yo-yo in the face of the government's announcements.
See also: and, down, like, up

y/o

An abbreviation of "years old." Patient is 26 y/o, male, no underlying conditions.

yo

slang A colloquial variant of "hello," used either as a greeting or to get someone's attention. A: "Yo, how you doing, Sam?" B: "Hey, Tony, I'm good, man. How you been?" Yo, Tom! Did you hear what I said? You need to tune in, pal.

Yo mama!

slang A colloquial variant of "your mother," used as a general insult, especially in response to a criticism or offense from someone else. A: "You really ought to lay off those donuts, don't you think?" B: "Yo mama!" Boom, slam dunk, baby! Yo mama!
See also: yo

Yo momma!

slang A colloquial variant of "your mother," used as a general insult, especially in response to a criticism or offense from someone else. A: "You really ought to lay off those donuts, don't you think?" B: "Yo momma!" Boom, slam dunk, baby! Yo momma!
See also: yo

Your mother!

slang A general insult used especially in response to a criticism or offense from someone else. A: "You really ought to lay off those donuts, don't you think?" B: "Your mother!" Boom, slam dunk, baby! Your mother!

YOYO

An acronym for "you're on your own," meaning you have to deal with or resolve this situation without my or anyone else's assistance. The abbreviation is only used in writing. A: "Hey, will u tell Mom & Dad I'm @ the library studying?" B: "No way. I don't know what U R up 2, but YOYO." A: "Sally, would you be able to help me with this presentation?" B: "Sorry, YOYO. I'm completely snowed under with work."

yo-yo

1. verb, informal To vacillate, fluctuate, or reverse in opinion, position, or decision very frequently and abruptly. A reference to the action of the toy, a flattened spool wound with string that spins outward from the hand and then retracts again very quickly. The politicians keep yo-yoing on this issue, so it's hard to know where we stand at the moment. The boss yo-yoed for days before he finally made a decision on the proposal.
2. noun, slang A stupid, incompetent, or unpleasant person. Primarily heard in US. Make sure that yo-yo fills in the paperwork on time, or the whole project will come grinding to a halt. Some yo-yo at the department lost my application, so I couldn't get my license renewed before the trip.
Farlex Dictionary of Idioms.

froyo

n. frozen yogurt. Let’s stop at the store and get some froyo.

Yo!

interj. Hello!; Attention, please!; Wait a minute! Yo, Michael! What’s new?

yo mama

interj. so you say. (Black.) Not enough bread! Yo mama.
See also: mama, yo

YOYO

verb
See You’re on your own

yoyo

and yo-yo (ˈjojo)
1. n. a fool; an obnoxious person. Some yoyo wants to talk to you on the phone.
2. mod. stupid. Ask that yo-yo jerk to move along.
3. in. to vacillate; to be wishy-washy. Stop yo-yoing and make up your mind.
4. Go to You’re on your own.

yo-yo

verb
See yoyo
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • he, she, etc. will murder you
  • (one) will murder (someone)
  • I could murder (some kind of food)
  • I could murder a...
  • asses
  • death cap
  • scream bloody murder