BumCrust

Originating from Egypt, Bum crust describes the phaecal matter that is not properly wiped from the rectum after excreting phoeses. Consequently, the remaining phaecal matter hardens and becomes entwined within the Pubic hair to form what is known as "BumCrust". See arse biscuits

"Ah shit, we ran out of bog roll, I'm like a bum crust factory!"

-or-

"Uhhhh, there's all bum crust in ma pants, Anyone got Scouring pad?"

by Chris Lawlor June 19, 2004

Bumcrust

When your leftover poop sticks to your ass hair and creates a layer of crust known as bum crust

My special Moldovan friend has bumcrust

by Deathninja155 February 25, 2022