California Cropduster
When your sexual partner is in the process of eating or licking your butt and you fart.
Dude 1: "That girl has a nice mouth."
Dude 2: "Yeah, I would give her a California Cropduster."
Dude 3: "You can run and tell that, homeboy."
Dude 2: "Yeah, I would give her a California Cropduster."
Dude 3: "You can run and tell that, homeboy."