Where a person doesent wipe their bum for weeks, and shit builds up out of their bum like a stick.
Hamish: Can you see that fat girls Bumstick?

Matt: Ewww She has a skanky ass.
by TardyMoments October 31, 2011
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Having been on the recieving end of a fuck up the arse.
This Christmas I've been bedded, knobbed and bumsticked!
by Terry July 10, 2003
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a thin person who has put on weight in strange places resulting in man breasts and a pot belly
Tim better go easy on the snacks or he'll be a fatty bumsticks (oops, too late!!)
by Bold King Cole May 17, 2003
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