Top Definition
Australian slang term used to imply that someone is completely crackers. An analogy used to convey a state of insanity, possibly catalysed by heavy consumption of legal or illegal substances.
eg1. Policeman: He threatened the victim with a spork, held her hostage and demanded the ransom be paid in bananas... He was captain rats.

eg2. Josef Fritzl is captain rats.
by Coco schmoko September 04, 2009

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