A dirty practical joke, where a squeeze mustard bottle is shoved into the victim's ass nozzle first and squeezed, ejecting the mustard into said victim's ass. Originated by the infamous John Gagain, coffee potter extraordinaire.
1. When Billy passed out naked after a night of drinking, his friends gave him a Colonel Mustard. Boy was he surprised!
by C-Side November 22, 2004
1. John experienced hair on hairby going hilt deep in his boyfriend's hairy, jungle ass, mingling his own pubes with the rectal hair of his lover.
by C-Side October 28, 2004
by C-Side August 19, 2005