When you're just really flaky.
Damn, he always cancels on us. He's got some serious social dandruff.
by @starlord88 February 8, 2018
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Slang for The Crabs

Funny and non sexually explicit way to say Crabs.
Look at that dude digging his crotch! bet he's got mechanical dandruff!
by Richmeister September 5, 2014
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Similar to regular dandruff, tiny bits of Tostitos on your shirt, belly, or whatever you are eating Tostitos over. This ugly stuff is a major design flaw in the Tostitos branded chip and a few other chip brands.

Can also be spelt as Tostito's Dandruff, Tostitos' Dandruff, Tostitos's Dandruff, or Tostitos Dandruff
Person 1: Can I have some Tostitos?
Person 2: No, you always get Tostito Dandruff all over my house.
Person 1: K den
by Detective Kank January 3, 2019
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This is what a lady bears the morning after you've given her a pearl necklace
Bloke: I had a fantastic time last night
Girl: Yeah - but I've got terrible mammary dandruff
by Chrissy-Boy June 26, 2004
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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
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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
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The flakey, ashy like substance produced by a dried out, dirty ball sack.
Similiar to hair dandruff.
Chaz left a trail of chode dandruff on the carpet when he left the room.
by dr.willow January 23, 2007
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