A beam in which is used only for emergencies during sex. "cock beam" is a slang term for when you force so much cum out of your penis that it becomes a beam that is very deathly towards you and your partner and everybody within a 85 mile radius within you.

A man who messes around with other men, but no one would ever know by looking or talking to him. Used by gay black men to identify masculine gay men or DL Brothas.