A spontaneous annoying expression to express extremely light disgust; or use in jest to irritate someone.
Players of the game Abe's Oddessey or Oddworld, will remember this sound made by the baddies called Sligs in the game.
J: Yo K, whatcha doin there sitting and staring at the wall the whole day?
K: (turns around with stoned eyes) !Bluek.
1. The sound one makes when spewing up
2. A sarcastic comeback for when you want to clown someone
Person 1: I WIN!
Person 2: BLUEK!