1 definition by Claire Anderson

It's short for 'hungry bum syndrome' when someones trousers are a bit to far up thier own arse and it resembles like you're bum is trying to eat your trousers.
Belinda - 'Omg, hahah. Look...over there!'
Claire - 'Look at the case of HBS on that skank! We're bitches but it's true.'
by Claire Anderson July 23, 2007
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