(N) An aborted baby, a fetus that has an attitude. Grow up and move out of the dumpster.
Tim should have ended up as an immature fetus. At least as an immature fetus he wouldn't have grown up to be such an annoying grown up baby, but if he grow multiple spider arms all of a sudden he would be sweet because mutants rock!
by Coathanger November 20, 2007
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When ignorant people delude themselves and think that all autists are immature mainly due to mental retardation. This is of course false as most autists have been proven to be highly intelligent and mild functioning and autism itself isn't a mental illness. It is more of a developmental disorder and the more emotionally immature autists would generally be referred to as the Spergs.
Too much people suffer from immature autist delusion. I can guarantee you right now that I may be autistic but I always strive to be highly mature.
by CelticEagle February 15, 2019
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People that get E-raged and complain over being banned for breaking rules in a server.
Agentb00ty got banned for RDM(Random Death Match) in a ROLE-PLAY server and showed his immaturity in a prolonged E-rage over his ban.

He is an Immature E-Rager
by Jill Fillmore April 8, 2009
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He’s a immature dumbass”
‘is his name nico
by Lol_gurlzzz337 October 16, 2021
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My humor is the definition of immature, if you haven't noticed.
by GameguySD July 7, 2017
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"immature" was a name made by xyduz. Astrea demoted xyduz and promoted Defaints to senior admin because he was "mature"
The word Immature is difined as. Xyduz was too "immature" for the role of seniorr admin
by 1_f0 Community August 9, 2021
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