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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The one day a year when anyone can shake some ass and not get called a whore!!! So have a great day and shake some ass!
Charli: ADDISON It’s national ass shaking day! You know what that means!

Addison: *starts shaking ass*
by Sofiaaaaaaaaaaaaaaaa. December 13, 2020
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National eat ass day is a day on July 25th where you basically eat someone’s ass.
Jerry: Hey dude guess what day it is?
Taylor: July 25th?
Jerry: No you dippy wippy ding dong, it’s National Eat Ass Day!
Taylor: Holy shit I’m calling Grace Stokes.
by Ugly gorl April 12, 2018
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Kick their ass instead of smacking it
I kicked 20 girls asses today because it’s National Kick Ass Day!
by Dis dick!!! April 12, 2018
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National fat ass day is on August the 22nd and if you have a fat ass you have to let your friends slap it and can't complain about it.
*slaps ass*

Josh: bro what the fuck why did you slap my ass
Ethan: Bro it's national fat ass day I can slap it all I want
Josh: Aw man fine since it's national fat ass day
*Slaps ass again*
by Hallaballs_69 January 23, 2022
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