January is a slap ass month which means that you can slap anyones ass for the whole month, you dont need to ask for permission, just do it, have a lovely January and hide your ass.
Person 1: do you see that ass?
Person 2: Isn't it slap ass January
Person 1: Oh yeah, ill be back

Person 2: good luck!
by abc_defgxoxo December 11, 2019
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a day where you can slap anybody's ass
Boy 1: *Slap's Boy 2's ass*
Boy 2: Gay nibba frick off
Boy 1: Its Slap Ass January
Boy 2: *Slap's Boy 1's ass to mexico*
by sleepjoe.exe November 4, 2020
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In january, every fellas have the right to slap someones ass
by Mamacitaa22 January 23, 2020
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