The multi-colored waste one finds in the crotch of women's panties.
Rob: Vaginas sure are beautiful !
Dave: No doubt.
Rob: Well, that is until you view the hazmat they produce !
Dave: Fuckin' A right !
Snapping is when you have a thumb in a girl's ass and a finger in her cunt and you snap them through the thin membrane that separates heaven from hell.
Genevieve just about peed herself when I started snapping.