2 definitions by Kevin Bergman

One's boy friend in a monogamous homosexual relationship.
"Mike met James just last week, fell in love with him, and now Mike is James' guy friend."
by Kevin Bergman January 26, 2005
Get the guy friend mug.
Noun.: Very young, male bodybuilder. pl. "Muscleboys." Sometimes used in a homoerotic way. Origin unknown.
"Jimmy is only 16 and has really bulked-up from weightlifting. He's become a real muscleboy."
by Kevin Bergman January 23, 2005
Get the Muscleboy mug.