What is Bum Butter?
1.
Bum butter is the acumilation of crud and smegg in the crack of your arse
Bloody hell my pants smell of bum butter
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2.
The butter like substance you find between the sweaty crack of someones behind.
My new girlfriend is really hot, it's too bad about her serious bum butter problem.
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Random Words:
1.
something that is bad, by smell, taste or look. rhyming slang for minging.
"yuk! dave have you farted that smells toatlly hum-ding..