The month of October where you can slap any guy or girls ass without getting in trouble or maybe you will but it is mainly for high schoolers and middle schoolers so hide yo ass
Hey

Hey
*slaps ass*
Why did you slap my ass its slap ass month
by He is dorky October 2, 2019
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A day dedicated to slapping someone else's ass (most likely your friend) it can only be someone of the same gender to slap ones ass (unless you are dating then it's allowed)
Friend: Tomorrow is Slap Ass Thursday you better keep those cheeks out of reach
You: You better be careful too
by Don't Mention Me January 17, 2019
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When an object is so damn full there is no way you're getting anything else in there.
"Take the trash out."

"I can't! The dumpster is slap-ass full!"

"Just pack it in the best you can."
by Biggitybomb December 4, 2018
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Everybody has the right to slap those thick ass girls or guys and get horny
Slap it and make it wobble for the slap ass month all of October
by Yourbigcockguy October 2, 2019
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A perverted game of tag played on Fridays. Object is to try and hit as many people's asses as possible without getting your ass slapped. From the outside it looks like a bunch of people running around and screaming live five year olds.
Girl 1: You know what day it is?

Girl 2: *slaps Girl 1's ass* Slap Ass Friday! *runs*

Girl 1: *chases her* I'm gonna get you!

Stranger: ?
by shadowladyxo March 6, 2015
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This month is where every boy / girl has to try and slap each others asses get ready.
Why did you slap my ass Becky
Because it’s slap ass November Katrina
by Cassius 1345677 November 4, 2019
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