Definitions by ThatsFuctUp

San Francisco Thumb Punch

...the sexual act , by a male usually, of reaching around and inserting a thumb into one's anus, before pooping on the sidewalk,

I saw someone downtown on the sidewalk giving himself the San Francisco Thumb Punch. He must have been constipated because he was in there for a while...

San Francisco Thumb Punch by ThatsFuctUp September 17, 2025