"Don't be so immature"
by grayjoycon February 10, 2018
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1.) 99% of high school chicks who laugh hysterically at things that are not remotely funny 2.) 90% of college chicks who soak themselves up with drama and send 4 different text messages to their boyfriends, all of which say the same thing
Amy just laughed hysterically cuz she accidentally ran over her crushes mailbox, that is so immature.
by krh90 September 27, 2009
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I agree with this definition:

98% of the people on Urban Dictionary
"i looked up the definition of wank! ha ha ha!"

ha ha very (not) funny
by peedoff December 14, 2004
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Term used to describe all the teenagers, "frat boy types", posers, thugs, and other assorted obnoxious entities who post all the inane, stupid, sexually graphic definitions for actual and made-up words on Urban Dictionary.
Most of you immature little fucktards will never attend college or achieve anything worthwhile in life, on account of your ability to reason and communicate like 12 year olds.
by Anonymous Hater of Stupidity August 17, 2007
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1. So many teenagers in this day and age who take the time to write immature definitions about s*xual related content, draw men's private parts everywhere they go, think of an inappropriate comment or get an inappropriate meaning from harmless statements by more mature people.

This adjective also describes most teenage boys in general, but I do know a few boys who do not make s*xual innuendos every other sentence.

2. People who think everything they can't do, they don't like, or disapprove of is 'gay'.

3. 'men' who think that women live to serve them.
Mature person 1: hey dude! Want to go---
Immature person 2: get some? Haha alright dude let's go!
Mature person 1: I was gonna say go get some coffee...

Immature person: dude, golf is so gay!

Mature person: just bc u can't do it doesn't mean it's gay.
by Ilovemydoggie23 December 21, 2011
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Always seems to be referring to men because they did something stupid-(not smart) having nothing to do with maturity. It is manly use by women referring to there husbands.
"You are so damn immature."
or "He is the most immature person I've ever met."
by American Redneck October 25, 2005
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what people call you when your a teenager and your doing something fun for little kids. Usally people say this to make themselves feel older and more mature even though there not.
Sam: Dude wanna go have a mud fight!
Kevin: Your so immature, thats for little kids.
Sam: Fuck you at least I'm not an asshole.
by a-manster August 4, 2006
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