maghanap ng salita, tulad ng trill:
 
1.
a person who is narrow-minded or has limited knowledge or insight to anything outside his or her immediate life.

basically someone who lacks education or higher thought.
I tried to start a conversation about Hapsburg Europe with that hot looking babe at the party who is supposedly a history major.
turns out she's just another mental midget, since all she talked about was her ex boyfriend Diego and her Mary Kay cosmetics collection!
ayon kay polo ika-18 ng Hunyo, 2005
 
2.
A person of extremely low I.Q.. Prone to being clueless in all aspects of life.
That guy is such a mental midget, it's almost criminal that he be allowed to live.
ayon kay Ghost ika-27 ng Hulyo, 2003
 
3.
A person with a fragile mindset and lacking the ability to deal with tough situations. Feeble.
Whenever Mitch is given constructive criticism, he turns into a total mental midget and starts freaking out thinking he is going to get fired and becomes all pissy and whiny. He can't mentally deal with pressure and folds like a cheap lawn chair.
ayon kay mflannery420 ika-05 ng Abril, 2011
 
4.
President George W. Bush
George W. Bush is such a mental midget
ayon kay Scott Breon ika-17 ng Oktubre, 2007
 
5.
Brad Lidge

See MLB 2009 Regular Season
See MLB 2009 playoffs
I never should have bet the Phillies in my MLB parlay... Brad Lidge can't close games and gets so easily rattled when he puts runners on base. That guy is a mental midget. Fucking Brad Lidge....
ayon kay payday0023 ika-04 ng Nobyembre, 2009