The remaining feces sprinkles on the bottom of the bowl after the toilet is flushed from taking a dump
Hey Scott you left shit dust again!
by ScooterPants December 20, 2009
1 more definition
the thin, invisible film of bacteria that coats every bathroom after flushing the toilet
Turn the faucet off with a paper towel after washing your hands so they don't get contaminated with shit dust.
by Monsternova September 28, 2010