шукати будь-яке слово, наприклад b4nny:
 
1.
Designated Ugly Fat Friend
Two hot chicks at a bar will have a really nasty fat ugly bitch hanging out with them, refered to as a "DUFF".

"Wow that fat DUFF is hanging out with those two attractive ladies, too bad."
додав Cobra 26 Січень 2003
 
2.
the type of beer Homer Simpson drinks
pass me another Duff Mo
додав :o) 25 Квітень 2003
 
3.
Designated Ugly Fat Friend.
That 3rd girl is definitely the duff of the group.
додав G 2 Січень 2004
 
4.
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.
додав black flag 31 Травень 2004
 
5.
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!
додав Steve0 20 Серпень 2004
 
6.
An abbreviation for 'Designated Ugly Fat Friend'. Often in many large groups of women (usually adolecents) there will be a D.U.F.F. as a means to look better by comparison.
I only hang out with her becuase I need a D.U.F.F., otherwise, she'd be, so, history.
додав B.a.m 20 Грудень 2005
 
7.
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.
додав stoner 18 Червень 2006