can of whoop-ass 

noun - figure of speech meaning "act of violence" generally employed as "open up a can of whoop-ass," meaning to cause large amounts of pain

If I don't get my way, I'm going to open up a can of whoop-ass.

can of whoop-ass by Blackmac November 24, 2003

Can't polish a turd 

Despite your best efforts, there are some things you just can't fix/improve.

To point out futile attempts to conceal/change the baisc nature of something.

1) Joe: Danny's back in town. He lost a bunch of weight, got a nose job, got hair plugs and now wears really flashy clothes but he's still one ugly motherfucker.

Jim: Well, you can't polish a turd.

2) The comb-over hairstyle

Can't polish a turd by henryj May 12, 2006

can you define it? 

"can you define it? isn't defined. Can you define it?"

-urbandictionary.com

1) The message that urbandictionary.com tells you when you type it in.

2) What you just typed.

3) What you just looked up.

4) A question someone asks you to define something.

"can you define it? isn't defined. Can you define it?"

-urbandictionary.com

can you define it? by gustynewguy4122 April 19, 2014

can't tell me nothin' 

A phrase that instantly refutes hating, unwarranted criticism, and other nonsense when said criticism is levied directly at its object, as opposed to through an intermediary. Made popular by the Kanye West song of the same name.

Playa': {Walks into club, solo, sporting black fedora and one-button blazer.}

Hater #1: Ayo, nigga, Usher want his hat back!

Hater #2: Yo, ur homiez shinin' up the Benz, gee?

Playa': Man, y'all can't tell me nothin'!!

can't tell me nothin' by M.C. Escher January 15, 2008

Can i B my L on your Ts? 

It stands for Can I Bust my Load on your Tits.
It was said by actor Jason Segel in the film "Forgetting Sarah Marshall"

I asked her " Can i B my L on your Ts?" she wanted me to put my P in her V instead

Can i B my L on your Ts? by Brennan Henderson October 9, 2008

can i get an f in the chat 

similar to RIP! used in circumstances to show disapointment
ex. "I just failed my test!"

"my mom just died"
"I can't find my juul"
"My cat got hit by a car"
and to all you can humorously say, "CAN I GET AN F IN THE CHAT" and it works oh so perfectly.

older people might not understand but it is truly wonderful

mom: (to my dad) honey, i found your texts with kathleen! who the hell is that???
me: can i get an f in the chat for dad

can i get an f in the chat by bigphatmama January 9, 2019

can I take a rain check? 

means: that you do not want to accept an offer or suggestion but you might accept it at another time.

Annie: i was just calling to see if you wanted to have lunch tomorrow.
MAry: oh, I'm Sorry I have a meeting at that time, can I take a rain check?....

can I take a rain check? by afernand April 27, 2011