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1.
A two-pair poker hand in which two queens or two kings are present. San Francisco is often generalized as having many homosexual individuals and being on the forefront of gay marriage; thus, having two queens, or "women", or two kings, or "men", creates a gay "wedding/marriage" and a San Francisco Wedding.
Joe, Sarah, Bob, and Anna are playing poker.

Joe: "I'll see your $20 and raise you $50"
Sarah: "I call. I've got a San Francisco Wedding."
Bob: "What's a San Francisco Wedding?"
Anna: "A two-pair with queens or kings, Bob. I've got a full house, though. PWN!"
by dghul July 11, 2009