Smack ass day means to smack someone's ass really hard or grab it .basically you just hit someone's but.
by Kehlani PERIOD April 13, 2019
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April 12. Smack anyone’s ass and say “it’s national smack ass day”
*smacks ass*
Joey: “bruh that’s gay
David: “nah man, it’s national smack ass day.”
by Fluorescent_Dildo April 11, 2019
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April 15 is the day you smack a girl’s ass and they can’t get mad
Boy: Yo, its April 15, you know what that means. It’s National Smack Ass day
Girl: Fine, go ahead
by ladybellum24 April 15, 2019
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This is the day that u can smack your crush booty day no matter what
Girl:”smack”
Boy:what was that for

Girl: is November 25 smack your crush booty day no matter what

Boy:bet “smack”
Girl:ohhh shit

November 25 smack ass day
by Michero8027YT November 23, 2019
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December 6National Smack ass day Walk to any girl/guy and smack their ass
National smack ass day means you can hit anyones butt
smack means hit and ass means butt and national means around the world
by Steph..323 December 4, 2021
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