It basically means: "Why are you so mean/angry/salty today?" In my understanding...
"Go away," he said angrily.
"Jeesh! What's up your butt today?"
by Can_u_not January 7, 2016
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1)A very stupid pick-up line
2)A way to say how hot a girl is
3)Another way of saying, "Lemme fuck you!"
1)Ay AAY GIRL!!! Lemme pee in yo butt! *slapp*
2)Good lord that girl is so hot id pee in her butt
3)Ay AAY GIRL!! Lemme pee in your butt! *girl raises her ass*
Niicee
by Dark_Hedgehog December 18, 2007
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A term you yell out when a friend/acquaintance has a ugly and/or fat girl talking to or flirting with him. The theory is that she's so ugly and/or fat that she has to step it up and chow some ass to make up for her lack of aesthetics.

Mainly for use in bars/clubs.
I yelled, "She'll lick your butt" when the chick with crooked teeth was talking to my friend.
by CrazyRay March 11, 2005
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term for diarhea. why? cause when your holdin in the runs, it feels like you have a penny lodged in your sphincter.
Guy 1: Dude I gotta take a nasty diarhea dump.

Guy 2: Got a penny in your butt, huh?
by zew November 19, 2007
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A derogatory comment that is akin to telling someone to shove a coconut up their bunghole.
Petee - "Up your butt with a coconut"

Johnson - "Igbyab (I'm gonna beat yo' ass beotch)!"
by Dr. Todd Fuquad PhD April 3, 2007
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An office or school appropriate version of "Blow it out your ass." Also used be delicate ladies (or men) who don't want to curse.
"Sarah, I've seen monkeys produce better reports."

"Toot it out your butt, Frank"
by FourBeerMilky April 29, 2010
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A.Sexual innuendo suggesting intercourse between two or more adults.

B. The act of ejaculating into the anus. Generally homosexual.
A. Are you gonna let me bust a nut in your butt or what?
B. I saw Felix climb in your brothers window. He must be busting nuts in his butt.
by MauriceLesrer May 21, 2016
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