n. A bucket used under a beer tap to catch foam and pour-offs. Can get very nasty over time, and can be used on demanding jerks at the bar as a source of a "special pour".
"Don't be a wanker to the barkeep or your next drink may come out of the mung bucket."
by SnaggPDX December 10, 2004
A bucket or trash can used for human waste, ie vomit, urine, poo, etc.
Billy's gotta ralph, grab the mung bucket!
by cyberpunk42 February 13, 2005