Top Definition
Greatest superhero ever. Created by Dav Pilkey.
Captain Underpants says "Tra la laaaaa!
by Xarionis aka Omnivore December 13, 2003
Photos & Videos
a mild mannor high school principle, but when you snap your fingers he sheds his clothes, (minus underwear)to save the day. He was created by the author Dav Pilkey. captain underpants has numbious childrens books written about him.
captain underpants just gave that bad guy a wedgie.
your so cool your like captain underpants
by Vince Villella May 27, 2006
Just the coolest, most badass, thug, gangster, lord god commander who shed his clothing to battle his foes with fury of a thousand suns.
Man #1: Hey you are looking like a captain underpants kind of brother today
Badass Man: I know, I'm totally not a noob.
by TheKewlestKatAround July 30, 2015
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