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2.
A Girl's booty call.
Are you both together? No, he is my benefit friend.
by wawawa August 10, 2005
 
1.
1. Alternate term for "friends with benefits" - a friend with whom you have a sexual realtionship without being emotionally involved

2. The hand that you use to masturbate
What will happen to your benefit friend when you get married?

It will probably get a lot more use.
by ray of light February 17, 2011