Choob is a word that was derived from the birth of a Singaporean man, Chervin. The CH in choob represents his name, while the oob is NOOB. So choob is chervin noob. he is widely known for his ridiculous behavior and acts of foolishness. Anyone can call someone else a choob to represent that person's foolishness.
You somersaulted in the study room? YOU CHOOB!
by Swiftalition July 23, 2010