When a man warms white wine in his mouth and spits it into a woman's rectum. As the wine loosens the fecal matter, the man ejaculates inside the woman's butt. The backdoor is complete when the woman returns the wine into the man's mouth.
This is the same as a Turkish Backdoor, but with wine. Proponents of the San Francisco version claim the wine loosens more fecal matter than the Turkish version with water.
"Did you give her a Turkish Backdoor?"
"No, she wanted a San Francisco backdoor?"
"How many Backdoors are there?"
An alternative to the Cleveland Steamer, in which you poop on your partner's chest and proceed to rub your feet in it.
"I gave Brandy a San Francisco Sidewalk after eating at Taco Bell last night"
A sexual act which one participant presses their anus against their parther's anus and poops a log directly into their partner's open anus. The turd moves like a submarine from one body into another.
I met a sailer named Pat. After topping him he who gave me a huge San Francisco Submarine. It was long, hard, and full of sea men.
When a man, woman or the like takes an anal creampie, then poops the cream into someones open sunroof.
I gave a complete stranger a San Francisco Sunroof, I was surprised to see a dog in the back seat. Damn dog cleaned up after me.
The act of using the escalator handrail to mechanically wipe one's ass due to the toilet paper shortage of the Corona Virus
The mall bathroom was out of toilet paper so I pulled a San Francisco Shuffle in front of Macy's.
Knee pads for homosexuals.
Some dude was getting a blowjob from his gay lover and suggested he put on his San Francisco Sandles to be more comfortable.
The sexual act of tossing someone's salad after they have had diarrhea but before they have wiped their ass.
His favorite thing to eat was her San Francisco Salad