dorkachu 

one who is classified as a nerd, geek, or the like but is also either into japanimation or strickly pokemon

That blond girl over there with the training cards is a Dorkachu.

dorkachu by Brown_Eyed_Girl_56 January 1, 2009

Donkachu 

Pronunciation: Dong-KA-chew
Function: verb

: To fail to account for the force of gravity with respect to the one's height above ground when leaping off any sort of ledge or cliff.

Wow, I can't believe he just Donkachu'd off that ledge.

Donkachu by Nerkul December 15, 2008

Donkachu 

Like Pikachu, but with a big ghetto booty.

DONKACHU! I CHOOSE YOU!! SHOOT THAT POO!

Donkachu by Choco McShreddy October 9, 2008