Visible accumulated refuse like dead skin and taint hair which is found on public toilet seats.
"We need to go to a different rest stop, every toilet here is soaked in piss and covered in ass dandruff."
by HiDef March 20, 2012
3 more definitions
Top Definition
The nasty dust, skin, hair, and sometimes unidentifiable debris that are found in the crevices of a heavily used chair or couch.
Oh! Dude, it was so nasty! My pen fell in between the cushions on the couch in the lounge today and I couldn't get past all the ass dandruff to get it out.
by SamEureka August 19, 2011
Suspicious looking flakes of skin left on the toilet seat after a good clearout.
who's left half a pound of ass dandruff on the seat in trap 2 again!
by Carolline May 28, 2006
The microscopic skin flakes of ass, scrotum and taint dispersed when an individual removes his drawls. Usually found on toilet seats.
I had to wipe the toilet seat twice because the guy before me dropped so much ass dandruff.

I was going down on the guy and when he pulled off his boxers all his ass dandruff flew into the air.
by Jt-NYC May 15, 2014

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