"Straight Best Friends With Benefits". When a gay guy and a straight guy become friends. And the straight guy is bicurious, but has a girlfriends, and the gay guy helps out the straight guy by providing sexual favors, along with a "Straight" best friend"
Straight Guy: "I really love my girlfriend, but i really like doing stuff with guys"

Gay Guy: "I can help you with that..."

Straight Guy: "You're me SBFFWB!"

Gay guy: "Can we still have sex?"
by RyanFX July 11, 2008
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