connecting ones own mouth and anus via rubber tube, promoting feces to travel between the two orifices. The literal ass-to-mouth.
Guy 1: Dude!
Guy 2: What?
Guy 1: I just did a san francisco transfer
Guy 2: Get the fuck away from me and brush your teeth
These two are meant for each other. Francisco loves Irving so much and it is a sign for them to date. Francisco please... im begging... this is a cry for your attention...
Girl 1: OMG! Look it is Francisco and Irving! They are so beautiful together.
When a straight male is unknowingly with a tranny & realizes that there is a cock and balls there and just sticks it in his asshole instead.
To my surprise, last night I had to pull a San Francisco u-turn, it was it was (tight) awesome!
A brash, yet gentlemanly way to settle an argument. Should one accept the challenge, both participants face their backs to eachother and walk three paces. On the third pace both men face eachother, drop trow, and vigorously masturbate to completion. The winner is the first man to blow his load. Bonus points for ejaculating onto the other competitor.
Hey, did you hear about how mad Jason was when his GF was grinding on Tyrone? Good thing they settled it like men with a San Francisco Duel! Jason never saw it coming!!!
When someone defecates into the rectum of another person.
While Dave was laying upside down in the floor with his butt cheeks spread open, he told me to give him a San Francisco Snicker Swap
The exact opposite of the common tourist nickname for the California city of San Francisco
Fredrick: Doug I’m going to Sancisco Francisco!
Doug: This is why your dad tried to boil you in Mountain Dew