Kos is a norwegian chocolate puddingsold for around 2$ but there is two in one pack so 1$ each.
Kid: Mamma kan du gå til butikken og kjøpe litt Kos? (Mom can you go to the store and buy some Kos?)
Mom: Ja så klart vennen! (Yes of course sweetheart!)
kill on sight. mostly used in fps first person shooter games. if two parties do not ~like~ each other and dislike each other ~that bad~, kill on sight.
splrs: @vow i like u alot cuz ur my homie G, but he would demolish u in KOS XD