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1. Also known as a San Fran, a person who acts like an asshole for no reason at all

2. Someone who does something extremely irrational
1. Let me inside the club you Sanfransico Cocksucker

2. What do you mean you arent going to drive me to the game? Quit being a San Fransisco Cocksucker.
by MrBrownstone June 21, 2005