A fanny slap is a slap that sounds like when you slap a fanny, it usually associates with a ruler and slapping it on the table anything that makes that tingling sound is known as a fanny slap. Could even be a spatular.
Person 1 & 2 are in the maths room
*Person 1 slaps his ruler across the table*
Person 2: Did you hear that?
Person 1: Yer it sounded like a fanny slap!
*Person 1 slaps his ruler across the table*
Person 2: Did you hear that?
Person 1: Yer it sounded like a fanny slap!
by LouiiHoare July 6, 2011
Get the Fanny Slapmug. this month is march and is the third month of the year and because the word ass this month will be honor slapping asses this will be one of the few months the you can slap your friends , girls ass you just need to say march slap ass (this is not gay ) so for this whole month you can slap anyone ass
by Guzman_boy February 13, 2020
Get the March Slap Assmug. When a woman tries to lock her legs around you during sex so you smack a her clit like a burlap sack of potato’s
by CooterCritter34 July 20, 2024
Get the Burlap slapmug. by Ms HattiesHunchesInklings July 16, 2022
Get the slap jagmug. When someone with a tiny penis "try's" to masturbate. Their peter is so tiny that they end up just slapping their sack
Jessica: I caught Perry beating off in the bathroom yesterday.
Amanda: Trust me, his dick is so small he was just slapping the sack.
Amanda: Trust me, his dick is so small he was just slapping the sack.
by Jameshasahugecock May 13, 2018
Get the slapping the sackmug. 
Bitch slapped,the classic slap from a girl that is very pissed.And when you get her even more pissed you better be prepared for that bitch slap.
by Beepbeeptootoot February 16, 2020
Get the Bitch slapmug.