A man who while in prison has sex with other men but on the streets is usually straight.
Dude be careful around Charlie, the officer told me he is a wolf.
It is usually used in GAY COMMUNITY, it means a man who likes to take the butt virginity of another man. Because when your butt is first penateated your balls shrink to marble size.
It also means a sex act when a fellow is into bondage and being tied up or enjoys tying men up he is called a marble collector.
Make sure to wear a condom, Brad is into collecting marbles
The biggest whore in the entire bible
Delilah is a whore
A marble collector, is a man who enjoys taking the butt virginity, of other men. The term marble collecting, has been used in the gay community, for many years. A lot of men who are not all the way out of the closet, yet wish to let it be know to gay community, that they are indeed homosexual, will list 1 of there hobbies as marble collecting! Therefore it is also a inside joke in gay community to signify your gay!
Mack claims he isn't gay, but he has marble collecting listed as a hobby. (Winkwink)