1 definition by The Golden Boy :3
It is used when referencing to someone masturbating or when going to masturbate. Usually used between male friends.
Jimmy: Where Joe?
Timmy: He's probably masturbating right about now.
Jimmy: Ahhh, so he's riding the unicorn.
Timmy: He's probably masturbating right about now.
Jimmy: Ahhh, so he's riding the unicorn.
by The Golden Boy :3 March 12, 2011