Something that makes life a lot more fun.

Though being completely immature will probably have adverse effects on your social life, education, and life in general it'll be more fun!
1. Zoe: Look John, I'm sorry, I'm breaking up with you.

John: Yeah? Well...you've got herpes!

Zoe: This is why I'm breaking up with you! You're so god damned immature!

John: At least I don't smell bad!

Zoe: Whatever!

John: GAAAAY!!!!

2. Bob: I'm sorry Karl...your...well...your dog died.

Karl: Oh...well...YOU LIKE MEN!!! MAAAN LOVVEEERR

Bob: Wow. Your immaturity was so bad I might have to jump out of a window.
by Metalhead For Life November 10, 2006
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an unwillingness to recognize, like those around you, that your head is up your rear end, and you like it there.
by deviant May 8, 2003
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A made-up word that conceited tweens like to throw around at people who aren't conceited tweens.
Boy: Hey. so.. did you score with that guy last night?
Girl: You're so immature!!!!1
Boy: Fucking cunt.
by someone or other February 14, 2005
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When a person older than you acts liek a little kid and post retarted definitions on a website that don't make any sense ad recive little acclaim and noone likes the joke's other than other immatures people like them selves
by Anonymous May 7, 2003
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What one redneck says to another when he wants his chair back.
Hey, you done sat immature and I be wanting it back.
by Chase1204 April 14, 2008
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An opinion. someone created it so others would act like them
Kid A: Dude i touched it and it got hard

Kid B: THATS WHAT SHE SAIDD!!!

Kid A: you're so immature

Kid B: F*ck you
by Hemesath May 13, 2010
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