Any given Friday when people choose to run around slapping anyone and everyone's asses. Usually, a male slaps a female's ass, and it's automatically considered okay for no reason other than the boy has proclaimed it "Slapass Friday."

BOY: *slaps girl's ass*
GIRL: What was that for, you prick?
BOY: Slapass Friday!

Slapass Friday by Rachel Retardation December 1, 2006

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Jurassic slapass

An old and senile person. Someone who acts like an old person.

"Grandma can be a complete Jurassic slapass sometimes."

Jurassic slapass by Omni November 13, 2003

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Slap Ass Month

Slap Ass Month is a holiday that takes place all throughout the month of October where you get to slap anyone's ass if you are there friend, cousin,co-worker,etc. And it's not gay

Me:Yo my homie called me gay for slapping his ass but it's slap ass month so it's fine

Slap Ass Month by Nether Slayer The Word Maker October 2, 2019

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Slap ass month

Everyone! This is your chance to slap people’s ass, Every boyfriend out there go slap your girls ass and I bet you won’t regret it😉

Boy:(Slaps her/his ass)
Girl:ohhh it’s “Slap ass month”

Slap ass month by By a bad bitch October 1, 2019

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