Definitions by nokyo-chan

Keifer 

Adjetive: Describes an amazing comeback.

Verb: The act of owning someone.

1. Dude, that comeback was totally keifer.
2. Man, when you said "shut up"...couldn't you have thought of something more keifer than that??

3. You totally keifered that guy in the face!

Keifer by nokyo-chan April 14, 2009