What is Sandruff?
1.
n. a hair condition similar to
dude1: "dude what's all that shit in your hair?"
dude2: "oh we just got back from the beach. I got some serious sandruff going on..."
2.
Combination of the words 'sandwich' and 'dandruff' referring to the tiny crumbs which litter your clothes after eating a sandwich and give the impression that you are suffering with a dry scalp.
"Don't look at me like that - I'm not suffering from a dry scalp it's just sandruff"
See
3.
The sand that falls from your scalp after a trip to the beach.
Dude you may need to get head and shoulders
Naw, I just got back from the beach, it's just sandruff.
See