Is when toilet paper pieces get stuck on the rim of your Balloon Knot.
I bought some toilet paper at the Dollar Store and I ended up with that butt dandruff yo!
by Batman307 July 19, 2015
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The residue left on a toilet seat after wiping ones ass. I.E... dingle berries and poo particles.
Who left this butt dandruff on my toilet seat god dammit!
by JDSD April 4, 2010
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when ur butt cheeks are very very hairy, and ur name is david dilbeck, and when u r in launguage arts class (or English) and u get up and there is white specks on the chair!
Bailey- ewwww look at davids chair!
Jane- ew i know its called butt dandruff.
Connor- ha ha ha
by Baymoo April 15, 2010
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Rolled up toilet paper balls that are left over on or around a woman's butthole
Man sending back shots to a girl: "Girl, you gotta wipe better, you have butt dandruff"
by Whitedslinger February 19, 2021
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