Mungfish

A random word, or an insult. It means someone who it stupid or dumb.

Guy 1: Dude, you're a mungfish.
Guy 2: No i'm not!

by Lone she-wulf November 19, 2006

mungfishing

A supposed act of necrophylic sex in which a person digs up a dead woman and performs cunnilingus on the body while another person (the mung-jumper) jumps off a ladder or other high object, landing on the stomach of the corpse.

You and Carl went mungfishing? You're fucking sick. I hope the cops bust you.

by Pymp November 1, 2003