by cupcaitt December 17, 2019

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!
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