It's where your analling a chick and she farts, meaning air goes up your urethra, then your penis farts it out.
"The only thing I hate about anal is when you shleef"
by PoohMyMumysCuntStinks June 24, 2017
Get the shleef mug.
It's where you're analling a chick, then she farts and air goes up your urethra, then your penis 'farts' that air back out.
Girl- "I need to fart"
Boy- "Please don't baby, I don't wanna shleef"
by PoohMyMumysCuntStinks June 24, 2017
Get the shleef mug.