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An Ass Amigo is another reference to butt buddy. Arse Amigo can also be used.

It usually refers to a male homosexual who has anal sex with his Ass Amigo. an Ass Amigo can be used along the same lines as "friends with benefits".
1.Matt Damon and Ben Afleck are Ass Amigo's.

2.Those two fags look like such Ass Amigo's.
by OdinPatrick July 04, 2005