It is a term know within the European CS:GO community and derivates from "unlucky". It has been made popular by players like Lobanjica, Stark & JW ( steamcommunity.com/groups/Unlukers ) while streaming FPL (Faceit Pro League) Matches on Twitch.tv whenever a player messes up a round.
An exclamation (pronounced youbluekin) called out by one's nearby associates when said person has committed an error in judgment, or somehow screwed the pooch. See its shame-filled relative, Iblukin
Can also be referenced by asking "How did Ken taste?"
Nice try hitting on that girl, man. She completely shut you down. Ublukin dude!
An onomatopoeic word primarily used to provide a verbal soundtrack on a night out. Generally repeated ad nauseum, beatbox style. Can also be used as a means of punctuating sentences, as an exclamation, or to define the particular awesomeness of an evening's exploits. Of Brazilian/Swedish/Maltese origin.
Person A: So, how was last night?
Person B: uksuks, uksuks, 'nuff said.
On Nov 20 we must appreciate the ÚkbÚk's around us all. the day starts with a prayer to the great lord ÚkbÚk then a sacrifice (The blood of virgins or your firstborn child will do). Anyone who does not participate in this holiday will be labelled a heretic and will be burnt at the stake.