look up any word, like the eiffel tower:
when you blend together sperm, vanilla ice cream ice and food coloring that makes a rainbow
that was a great San francisco milkshake you made
by ryan6976 January 25, 2009
Gay Anal Sex where the giver sucks his own semen out from the catcher
he slurped down than san francisco milkshake
by TANK72 June 29, 2012