A large gathering of disturbed individuals to perform a mass munging. Either a large crowd of bystanders or a full graveyard raid.
Bryson: Do you want to go to Lamar's tonight?

Giblin: I can't. I got invited to go munging with BSrite.

Bryson: Oh yeah! I forgot, so did I.

Giblin: It's going to be Mungfest '10!
by jthunders January 9, 2010
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When a group of people all gather around one single dead body and all share in the Mung it produces
Guy 1: what happened last week I saw you all at the cemetery

Guy 2: well Andy’s grandma Died and the fast shit had plenty of mung
Guy 1: all of you done that to one person?
Guy 2: yea it was a mungfest
by Hugelymassivedick February 20, 2019
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