Noun
a rabbit costume
a Playboy Bunny uniform, for waitresses of Playboy Clubs
(slang) a cleanroom suit
(slang) a hazmat suit, or chemo- or biosafety suit
Source: en.wiktionary.orgI distinguish between maniacs and crazy people; a maniac will beat nine people to death with a steel dildo. A crazy person will beat nine people to death with a steel dildo, but he'll be wearing a Bugs Bunny suit at the time. George Carlin