Definitions by RayRayBoom-I-Yay

knepp

to steal defeat from the jaws of victory. to loose after a certain win. to knepp up.

the oilers really knepped up against the bills in that playoff game in 1993

knepp by RayRayBoom-I-Yay December 24, 2008

to fuck up a victory right before the end of a certain win.
to knepp up

John's team was up by 6 with three seconds left, then he knepped up by throwing an interception that was ran back for a touchdown.