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