A boy who likes to lick or eat balls or testicles.

A casual invitation / threat used by an individual that is not afraid of fucking someone up.

oyster boy is an unfortunate half oyster, half human that was born when his parents got married and ate mollusks and fish on the isle of Capri by the sea, then his mother made a wish so he was born! the story goes that his parents are really upset that he is half oyster and can't have sex anymore so they go to the doctor and he says oysters improve sexual powers so they end up eating poor oyster boy and he is buried by the sea! *Weeps*
(He comes from Tim Burton's poetry book called "The Melancholy Death Of Oyster Boy & Other Stories")