1 definition by Luke Nuke'em
Used as a greeting or it can define anything whether it be an adjective, noun, or verb. just to add fun to a conversation.
you might see a person and go "mumm?" and generally they will return with "mumm? hub, or buff?"
Or
"im feeling quite mumm today"
"dude i just mummed that guy up"
Or
"im feeling quite mumm today"
"dude i just mummed that guy up"
by Luke Nuke'em June 05, 2011
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