by sbh April 19, 2014
...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...
by ThatsFuctUp September 17, 2025
Related Words
people who stick just their thumbs in their pockets or belts and leave their other fingers hanging out
Man 1: man look at that stupid thumb puncher
Man 2: i know right he looks so stupid
Man 1: what a retard
Man 2: i know right he looks so stupid
Man 1: what a retard
by pseudonym bitchass mofo April 17, 2021