any living specimen composed of pure awesomeness. They can come in multiple looks, usually resorting in the form of a penguin that can fly or a rainbow giraffe that can also fly. They are also often times namco/nintendo character fans. The only way to defeat them is by turning yourself into a Keasha.
I saw a Keasha chasing a cheetah for a bag of cheetos in mid-air.
by nerdfighterXD May 22, 2009