Urban Dictionary: kerpow

kerpow is a cartoon phrase which can be used in a number of ways, mainly threatening

if u dont shu'up il kerpow your ass

by saneless October 23, 2004

When something is so powerful, it hits you hard, making a "kerpowie" sound like in Batman comics.

Obama's victory speech was really kerpowerful; that guy really knows how to reach an audience!

by maddycamm December 09, 2008