Literally a hybrid of (or
short for) Shitty Dreads. When a
person has those nasty, un-cared for dread locks and doesn't seem to care that they look like a
bum.
Dude: "Omg
man, check out the Shreads on that
guy!"
Friend: "Ohhh hell no, what's he
think he looks like?!?!"
Dude: "Roflmao!"