Person who fails to achieve his or her potential. Used often when refering to students.
My kid is an underachiever. He's not an idiot though.
by jakub777 October 24, 2008
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The opposite of:

overachiever
44 up, 15 down
Someone who is sooo much better than you that it pisses you off.

I hate that fucking overachiever!

by Blah Aug 8, 2003 email it
Yeah so what if all I did was copy and paste the definition of overachiever. I'm a true underachiever.
by rappathered March 25, 2008
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A rap group from BROOKLYN (Flatbush) that makes the absolute dopest shit. It's a duo, Issa Dash and AK. Their lyrics are insightful and smart, yet hard as fuck. Their most famous song is Herb Shuttles. The video for it is on youtube , lots of people turning up, bad bitches, and pounds of the dankest weed you'll ever see.

On a side note, they are part of the "Beast Coast" movement including Pro Era and Flatbush Zombies, and countless other new groups.
I just listened to Herb Shuttles by The Underachievers , and got stoned through the speakers.
by TheBeastOfTheCoast September 16, 2013
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A person who does not perform to one's expectations.

A person who disappoints.
Dr. Manmohan Singh Indian Prime Minister
as described very well by Time Magazine. He was depicted on the front page as underachiever.
by Shobit September 29, 2012
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Friendly name the Youtuber Noah Finnce gives his community or people who watch his videos.
Hello underachievers ! - Noah Finnce
by xartpopx July 02, 2019
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A poo that is so small it wasn't worth pooping.
When you go to the bathroom and all you get are a few rabbit pellets! That would get an underachiever poo award.
by HRL May 14, 2007
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One who should be in a higher position/class, but chooses not to be for the sake of easier work, social status/life, lower expectations, or just so they can feel dominant compared to their dumbed down fellow students/workers.
Michelle's such an overachieving underachiever, she should be in academic algebra, but chose applied algebra for easier work, and is now making the entire applied algebra class look stupid.

Diego chose to stay at the crappy Seneca college just because most of his friends are going to it, even though he was accepted by Harvard University.
by Hojin :P April 06, 2011
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