An ass-clap is the proper term for a the following action.

You see your best friend. You proceed to high-five your best friend. As your palms connect, continue on to slap your friend on the ass cheek. Proceed to bask in the awkward awesomeness.

Great for making a pass at your straight/gay teammates after a score.

Also the ultimate show of complete adjustment to your friend and the ultimate hand-shake/high-five no one dare copy.
VOLLEYBALL/ BASKETBALL/VIDEO GAMES/ANY GAMES

Ambiguously Gay Friend 1: HELLZ YEAH, SCORE!!

Ambiguously Gay Friend 2: ASS-CLAP!
by lightningbaroness May 7, 2010
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A common type of fart, where it sounds like one's ass is clapping.
"Hey, Joe, listen real quick."
"No, I really don't want to hear your ass clap."
by Raxhas June 22, 2009
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To give, or at least attempt to give, someone the clap up the butt.
I just tried ass clapping that girl last night. I wonder if it worked.
by Annie VonHiggleblossom July 10, 2008
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someone being of bitchy status, with no regaurds to you or your personal state of mind.
Kori was being a bitch one night and called me a dick..
So I politely replied "suck on my fun stick you Ass Clapping Thunder Whore"
by Tolley Boy February 15, 2009
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August 30th. A day when women with junk in the trunk post pictures and videos of their asses while twerking.
Sara: Did you know it's National Ass Clapping Day?
Lilly: OMG! I need to post a video of myself twerking in a thong!
by BodyHottie August 30, 2015
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June 15-22 . A week when women with junk in the trunk post pictures and videos of their asses while twerking.
Genesis: Did you know it's National Ass Clapping Week?
Tyashia: OMG! I need to post tons of videos and send pictures of myself twerking in a thong (especially to @occuul on ig)!
by ilovewock444 June 15, 2023
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