Definitions by Slappyslappyfuntime

mson 

Pronounced (EM-sun), Mson is the act of playing beer pong but with someone's asshole instead of the typical red Solo cup. Normally played at college parties, the game originated in between takes of a Fake Taxi video.

Mark: "Dude you down for a game of Mson?"
Harold: "Absolutely my man!!!"

mson by Slappyslappyfuntime May 6, 2021