Annoying people who are only in it for themselves, trampling their acquaintances on the way to temporary realization of their short-term goals.
“Matt snagged the chick I was into with his ‘I was a Work Shop swinger’ routine; he’s such an Umpa-Lumpa.”
by Mucho Mahs October 14, 2005
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Hayley:I made a new friend today, his name is George.

Josh:Really Hayley?! I'm so proud of you. Show me a picture of him.

Hayley:Okay. Hayley shows Josh the photo

Josh:eew! He's such an umpa-lumpa.
by Pollymore August 3, 2009
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I really knocked up that naughty umpa loompa that lives in the alley last night
by I-Be-Pimpin April 24, 2017
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The act of masturbation after eating an entire bag of Cheetos.
"So I was sitting in my parents basement enjoying some Cheetos and porn, when i gave myself a umpa lumpa handshake. Let me tell you it was the best handshake ever!"
by Steve Uknow February 28, 2011
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Loud Hispanic music with origins primarily in Mexico.
Check out that dude listening to the Umpa Lumpa Music.
by Comtula January 17, 2010
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Umpa lumpas are little midgets off willie and the wonka factory and they make their own porn! and adele loves watching it, it turns her on. She well dirty
by your mothers fuck buddy April 26, 2006
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