1 definition by Butts@Butts.com

Top Definition
A friend or acquaintance who has also had sexual intercourse with the same parter that you currently have, or have had sexual intercourse with.
A: Hey, you're fucking Samantha?
B: Yes.
A: We used to be friends with benefits back in college! This makes us pump brothers!
by Butts@Butts.com November 02, 2012

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