Definitions by Nanashi-sama

kwsk 

The Japanese netspeak equivalent of sauce, derived from the first consonant sound of each mora in the adverb kuwasiku ("in detail"). Popular use on 2ch and weaboo image boards.

Nanashi-san 1: take a look at these doujin pics... ^_^
Nanashi-san 2: omg kwsk

kwsk by Nanashi-sama March 16, 2008