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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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May 12 Word of the Day
When someone goes to the gym and spends 90% of the time on their phones scrolling through social media
Looks like its thumb day again for Jimmy with his usual routing... 3 sets of 5 snapchat selfies and 10 sets of scrolling through facebook until exhaustion
by Gary br April 02, 2017
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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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A female whose stomach petrudes farther outward from her body than her breasts.
Look at that fat chick with tiny boobs. What an under achiever!
by will_minnesota July 09, 2006
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The opposite of:

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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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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