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That annoying person you cant really engage with who is a bit low on social intellegence. Usually a work collegue who likes to tell you meaningless stuff you don't care about. Cause to you they are a mung bean.

They kind of just sit there on the salad to add bulk, but no real substance. Sure they are okay, but they don't do much for you, and you don't usually seek out to put it on your salad. They aren't even that tasty. It is just a mung bean.
Who is your mung bean at work?

Rachel is. I have nothing in common with her and she sits at my desk for half an hour telling me about her weekend and giggling.
by oracleoflife March 14, 2010
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An ignorant person or person of low intelligence. (mental capacity of a mung bean)
Those mung beans who sit in their cars for two hours each way to work should stop complaining and catch a train.
by Matt Bowden December 27, 2005
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Australian slang; a hippy or generally soft 'unmanly' kinda bloke.
"you dont eat meat do ya mung bean?"

"a mung bean wouldnt last 2 minutes working out a farm"
by andthony6969 August 17, 2008
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when two guys find a dead chick and one puts his mouth over her pussy and the other jumps on her stomach and it is what come out
Go eat a mungbean!
by Anonymous May 12, 2003
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