Sick or sick can mean:-

• Vomiting.
• Illness: see disease or illness.
• Illness or some sorts of unpleasantness: see wikt:sick.''
• Sick (magazine), a humor magazine.
  • These meanings came from Anglo-Saxon sēoc = "ill".
• In Australian English slang: awesome, good. Popularised by Pizza (TV series).
• Other meanings should be spelt SIC or sic.
• SICK AG, a German sensor technology corporation

Sick