Klow is a synonym for the more commonly used word "Pow" and is usually capitalized and followed by an exclamation mark. In other words, "Klow" is like "Pow", except with a "Kl".
As Vince was driving out of his garage, the door closed on roof of his car...KLOW!
by DJKham October 21, 2008
during gay sex, when one man takes his penis and shoves it in the other mans ear
Yo i heard Mike got k-lod last night.
by Anonymous March 15, 2003