Waasick
"Waasick", or Waazick. Generally derived from Northern Irish or Ulster Scot's Slang. An insult, insinuating that an individual is simple, dim witted or particularly incompetent.Also a slight on ones appearance, or any other example of a persons ineptitude or retard-like behavior.
"Here, that boys a fuckin' 'Waasick'." "What are you wearing, you look like a waasick!!" "Stop getting on like a Waasick!"