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UK usage
1) Something that's flawed or faulty
2) To duff up, to assault, beat up etc
He sold me a duff DVD so I duffed him up.
A unattractive female who is always seen with another female who is marginally more attractive. It is usually impossible to score with the hotter female without the duff receiving her fair share of the action.
Damn! I so wanna tap that chick.. but goddamn, she always has that duff Nicole hanging off her. Look at that fat mess!
marijuana that has already been run through a vaporizer at least once.
all i've got left to vaporize is some duff from last week, but we can still get pretty high.
v. the act of punching someone in the face.
"Yo did you see Hilton duff Chino in the face"
"Chino is bleeding because he got duffed so hard"
"Some would should duff that kid, Chino, in the face"
A brand of cool US Skate shoes.
Yo man, you see those dope Duff Roadrunners? Way Fresh!!
Dark brown or black cannabis remaining in a vaporizer bowl after vaporizing. The duff, which still contains some THC, is recycled rather than discarded by stingier enthusiasts.
Whoa, don't toss that duff, man! I'm saving that to make hash.