it is appropriate to call someone a mong biff when they have done something utterly stupid and/or idiotic.
it can involve more than one person, the person who notices the act of specialness will say "Mong" and it is open for anyone else to add "Biff"
bringing more humiliation to the person who experience the special moment
it can involve more than one person, the person who notices the act of specialness will say "Mong" and it is open for anyone else to add "Biff"
bringing more humiliation to the person who experience the special moment
Chris walks into a lamp-post
Tori cries out "MONG..."
Greg adds "BIFF"
therefore Chris is a mong biff
Tori cries out "MONG..."
Greg adds "BIFF"
therefore Chris is a mong biff
by jabba dabba doodlely July 5, 2010

Somebody who comes out with pointless comments and is generally irritating, often used by the brainiest of people to describe a person less clever than themselves however it's a funny phrase and makes me chuckle. People who wear huaraches and skinny joggers are described as "bad mongs" as well as those who wear them shitty sports pants that look like condoms and EA7 bubble jackets. Usually overused but that's minor
by Stalecake April 24, 2015

by mong1234 December 15, 2011

Dave: "You wanna go to the cinema tonight or go get something to eat?"
Sarah: "Yeah."
Dave: "Looks like we've got another option-mong here."
Sarah: "Yeah."
Dave: "Looks like we've got another option-mong here."
by WelshBwoi November 18, 2010

by ImNotNeo March 7, 2007

by Goodguygav February 21, 2011

When a girl's Ugg boots slope so far down to one side that they are walking on the sides of their feet. Instead of throwing the boots away they continue to wear them into oblivion.
by Peculiar Percy June 19, 2010
