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1) A derogative term for Brussels Sprouts.

2) Small pieces of turd entagled in the ass hairs after defecating (a.k.a, "dingleberries")
Sam: Dude, these nasty little green balls taste like ass!

Charlie: Those are bung hole sprouts. They are supposed to taste like that.

Sally: Don't eat too many of those! They are a known cause of bung hole sprouts.
by TNunnster April 04, 2011