the act of taking a piece of pizza laying it on a poone, then repeatidly pound it into the poone with your penis untill it is nice and packed inside.
Matt:I gave that cunt danielle a pizza slopper.....she deserved it.
Danielle:its been 2 weeks and i still smell like peperoni!
the act of stuffing a nice piece of pizza in your partners poone and packing it nice and tight with a pounding motion with your penis
Matt:i gave that cunt danielle a pizza slopper....shes still trying to get it out
Danielle:ive been smelling like pizza for like 2 weeks now wtf i hate that bitch