What is Duffer?
1.
The Designated Ugly Fat Friend found in a group of girls out on the town. She may be a Cockblocker unless your group of guys has someone drunk enough to take her attention away from ruining your night.
"Hey Joe, you take care of the DUFFer so I can get to the hot one."
"Dude, why do I always have to do that?"
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2.
a complete idiot
you are acting like a duffer dude.
3.
A poor golfer who continues to play often even though he can't hit the ball
Look at that duffer; he's already taken 8 strokes on the hole.
4.
duffer - the designated ugly fat friend
why do all the hot girls hang out with duffers
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5.
Any person who has grey hair; Any person who spends 5 minutes stepping off a curb; Any person who can't, for crime's sake, drive faster than 25 miles per hour anywhere.
Holy Shiite! I almost ran into that dang duffer. He can't even see over the steering wheel, let alone the speedometer! Take the bus! Crime!!
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6.
TV remote
Pass us the duffer luv this programme's crap.
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7.
a slang term for a woman's vagina during sexual intercourse
A guy buries his dick in a woman's duffer.