Top Definition
The act of a homosexual inserting his penis into his partner's anus, and shaking around like there's an earthquake. Often results in a trip to the ER.
Brian had to go to the ER, and the ER nurse asked what happened, "What happened to your anus Brian?"
"Well, frankly, my buddy Joe gave me the San Fran Quaker."
by Derek Margheim October 20, 2006
8 Words related to San Fran Quaker

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