A mythical position where two homosexual men are simultaneously pitching and catching at the same time.
"I've seen DVDA once but I've only ever heard of the san francisco twister."
Where you cum in a dudes butt, and then he farts, thus creating a geyser effect.
Man, Adam gave Cameron a San Francisco geyser last night
When a guy gives another guy a cum mustache on his face.
Hey Ben, imma give you a San Francisco Mustache tonight.
Very large and hairy male anus.
All you're going to catch with that chode is a San Francisco catfish.
When a man gives oral to another man,takes his seman and spits it all over his stomach/chest.
I heard Bill gave the boss a San Francisco snowblower to keep his job.
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A large grin similar to the Cheshire cat from Alice in Wonderland, that a person gives to another person when they are attracted to them, with hopes of a return smile to signify sexual attraction.
Scott: Hey did that dude just give me a San Francisco smile? Jon: Dude, you are wearing skinny jeans, and listening to Coldplay out loud. What do you expect?