Insert 33 beans in your partners rectum, then perform anal sex until you pick 33 beans off your penis or dildo
Last night I gave my girlfriend a chilean mine shaft last night
A man cums deep in someone's anus, then uses his finger to dig out his sperm. While digging for "his men", it is likely he will have to remove some poop.
I was fucking this slut in her asshole, and right before I was about to pull out, I decided to give her a Chilean mine shaft.
Morning wood covered in dried shit, as resulting from prolonged intermission between anal sex and cleaning one's self. Usually due to sleep, unconsciousness or prolonged confinement in a copper mine.
See also: Chilean mine worker
After a drunken night of angry anal sex and passing out, I woke up at noon to find that I had a Chilean mine shaft.