To repeatedly thrust or slide the penis between the two globes of a woman’ ass. The crack slide is preferably performed on women with large buttocks and loads of ass cleavage. Basically it is the ass version of the titty fuck.
I would crack slide the shit out of Kim Kardashian's huge booty!
ayon kay CamelTap ika-10 ng Disyembre, 2007
a term used for when one puts their hand in another's butt crack and slides in an upward motion, then slaps the butt.
I just couldn't resist to crackslide her because of her huge butt.
ayon kay TheCrackSlidingKidOnTheLoose!! ika-11 ng Hulyo, 2010