1 definition by EvanStone Cockumentary
A unique relationship between two heterosexual male friends who occasionally engage in ass play with one another, specifically insertions.
Joe: Hey Nick, I know we've been friends for a while and that we aren't gay or anything, but you maybe want to be Jam Boys?
Nick: Dude, I was thinking the exact same thing.
Nick: Dude, I was thinking the exact same thing.
by EvanStone Cockumentary August 21, 2012