teenitus

a made up disease your parents came up with to make an excuse for your attitude. supposedly it affects your hearing and retention of knowledge.

my daughter has teenitus, she won't listen to me.

by hahahehe:) December 15, 2017

teenius

A teen or tween who thinks they know it all, wise fool
Teen+genius=teenius

Sarah rolled her eyes when her parents wouldn't believe that euthanasia was the word to describe children in China... What a teenius.

by Don W Macaulay June 16, 2013

teeniuses

teenage super-geniuses who annoy everyone else with their obnoxious, mostly useless, plethora of knowledge

She was pretty upset when a bunch of high school teeniuses pointed out that pluto wasn't a planet.

by waffleguy4 November 19, 2009