A case in which you have very smelly farts sometimes uncontrollably expelling from your anus, but you ate nothing to provoke such an occurrence.
Dude Ian has major Bi-Polar Butt Disease this evening.
by Guitargod10940 April 12, 2009
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a rear end that is large and rounded, almost heart shaped, like a polar bear's. Usually found on overweight or chubby men.
Did you see that guy's ass? It's freakin' huge! He totally has polar bear butt.
by Anonymous7895037893274 August 8, 2008
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When you sit on a metal piece of furniture , and your gluteus maximus get's cold.
"BRRR, I think I just got Polar Butt."
"Don't sit on that! You'll get Polar Butt!"
by The Real Z A N D December 9, 2019
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