When one pees themself due to an excessive amount of laughter caused by another. This effect is often induced by someone very close or friendly with you.
Oh god, I peed myself,hah! I need a change of pants, I'll get the car seat wet. The Santoni Effect has occurred... Oh lawl!
A word used to describe someone, referring to their long and prominently ugly legs and the absence of a noticeable posterior.
Rachael says: Look at that McLeggon standin' over there, she has absolutely no ass.