On April 25th, 2018. YOU have to Slap he/she ass, no matter how close you are with the person
Slap the person Ass on National Ass Slap Day
by X8x8x8x8x8xskwkc April 25, 2018
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On the 6th of April every year you need to slap a girls ass to celebrate the holiday
Daam itโ€™s national ass slapping day and that girl has a nice ass
by Yoboycam April 5, 2018
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Is the day when the girl can slap all the boys with sexy ass 13- 15 November ๐Ÿ‘๐Ÿ‘๐Ÿ‘
Girl : " Girl slap boy "

Boy: " why are you do that ? "

Girl : " cause it 's national slap ass day "
by Huitifxirsurcoh November 13, 2019
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Itโ€™s on 8 FEBURARY 2018

Hey baby come here SLAP!
Hey baby come over here SLAP!!

Omg look at that fat arse Imma slap it
National slap ass day=slap girls arses on this day forward
by Daniel ufosos February 6, 2018
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April 12th you can slap anyone on the ass and they cant get mad.
I can slap your as because april 12th is national slap ass day
by Camron :) April 12, 2019
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5/2/19 go slap each other ass big litty
*Girl walking * boy slaps ass * boy says โ€œ damn baby that shit beefyyyy โ€œ see thatโ€™s how you celebrate national slap ass day
by YesFORREAL May 1, 2019
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