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1.
A very untidy room or place. Short for bombsy tit. (Bomb's hit it)
Tidy your room. It looks like a bombsy.
by Terry Armitage October 04, 2006
 
2.
very untidy room or place. Abbreviation of Bombsy tit.
Your room is so untidy it looks like a Bombsy.
by terry armitage September 25, 2006