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The brown fecal colour and flakes that appear around an anus.
When she bent over, Kyle could clearly see a ring of bumrust around her anus.
by jungletriad December 05, 2004
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Apr 26 Word of the Day
1. The default beliefs installed when you were a child.

2. An unexamined position you absorbed from your environment growing up.
I grew up in a conservative home so my factory settings lead me to vote Republican.
I grew up in a liberal home so my factory settings lead me to vote Democrat.
by riemannslost0 February 04, 2020
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2
shit
basically dried poop stuck on an anis
bye you rusty little bumcrack.
Orlando was giving it to Ficklestean in the bum, he yelled, "I can see your bum rust!"
by karl55655 November 09, 2007
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