Awkward little balls of shit that become entangled in one's arse beard and require pulling out with toilet paper strategically wrapped around the fore-fingers. The more severe cases often require severing or cutting out with the nearest suitable household implement.
"Dave, will you hurry up and get out of the shitter im busting"
"Fetch me the scissors Shirley, my anal fluff is teeming with gruff-knots"
"Fetch me the scissors Shirley, my anal fluff is teeming with gruff-knots"
by Tylerstein October 6, 2006
Get the Gruff-knotmug.