A particularly dried dingleberry or buttnoid, often grafted firmly to the rimhairs surrounding the anus
Dave picked and picked at the bung crunchie until successfully removing it along with the majority of his rimhairs. He then skifted his friend, Will.
by Rondo August 30, 2006
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1. A leathery, scaly or scabby rectal condition caused by;

a) too much anal sex

b) venereal disease e.g., anal warts

c) a diet with little to no ruffage

d) any combination a, b & c

2. The result of improper hygiene after defecation; exhibited by encrusted feces around the anal orifice.
As Alexander the Great penetrated Haphaestion, he exclaimed, "Ouch! We really need to get you some conditioner, or something, for that crunchy bung of yours...".

"Damn, mang, I'm suffering from a severe case of crunchy bung because I didn't have time wipe my ass this morning!"
by Stretch-nuts McPoop-knuckle January 31, 2014
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