Immature

People who are annoying, don't know what they are talking about, and sometimes bitch way to much.

Look up Nu-Metal and you'll find many examples of the bitching part of immaturity.

by Drummer November 11, 2004

Immaturerness

a person who is silly or acts in a childish way

WELL I'LL JUST PACK UP MY BAND WAGON OF IMMATURERNESS AND HITCH UP A RIDE DOWN TO MEXICO!.

by pillow fan December 12, 2010

Immature

An early 90's Boy Band. Lead Singer Marques Houston followed by Jerome Jones, and Kelton Kessee. Managment By Chris Stokes.

Early 90's Boy Band by the nameof Immature

by 90's Man January 15, 2009

immature

A word women use to describe male behavoir which they cannot comprehend.

Ugly Becky: "OMG! Darrel cheated on me! I don't get it!"
Plain Jane: "Just forget about him Becky, he's just immature."

by ThEmperor March 31, 2009

immature

Used by a person who can not have fun.

"Gosh Sepand you are so immature"

by American Webster Dictionary (OFFICIAL) March 25, 2008

Immature

Someone who maybe be irresponsible unorganized and does little kid things but all in all is a fun person!

A: MUD FIGHT!!
B: Your so immature.

by ieezsooperawzumninja February 14, 2010

Immature

The act of being like a little brat, making bad or mean jokes, or just being a little Timmy.

The one reason I don't trust urban dictionary is that everyone is so immature.

by SmolTiger February 2, 2021