A dance floor boner. An inconvenient erection that results from grinding with a girl. In the occasion of such an incident, the male dancer with the DFB finds a replacement male dancer as he "headbands" the DFB, relocating it under his belt. He then resume dancing with his female partner.
Hey Chad, can you dance with the girl for a second? I've got a DFB and I need to strap my stuff down.
by BPrime October 29, 2009
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dumb fucking bitch,

1)_A woman that acts like she has no brains or logic yet she thinks she is hot,

2)_A woman that is rude without provocation
I was at the cashier window CASH in my hand,while looking straight at me she said "cash or charge" as she was picking up the $20.00 dollar bill ..What a DFB!
by NickyG August 19, 2005
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Down For Blacks.
A person who isn't black or african that is attracted to people who are.
Someone who thinks a black person is attractive enough to hook up with.
An asian girl liking a black guy
A white guy falling in love with an african girl
A mexican guy hooking up with a black girl

*Black girl walks by*
White guy: Dang duude she's cute
Other White Guy: Really you think so?
White guy: Oh yeah i'm DFB

*White Girl walks by*
Black Guy: Dammmmn that girl FINE
Other Black guy: FASHO i wonder if she's DFB..
by lowkeyYyY January 2, 2011
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Short for dirty fenian bastard or in other words a catholic living in northern ireland
What's that smell? It that DFB sittin in the seat behind. Filthy bastard.
by Le Chicken January 1, 2009
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Acronym short for the hip-hop group Dem Franchize Boyz. Providing the same catchy beat that over and over again with nothing really intelligent to say, but popular nonetheless.
Person #1: I just bought that new DFB cd.
Person #2: You f%@#ing idiot!
by Kpeezy June 17, 2006
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Down for Bukkake. An acronym used to describe a woman (or man), who is 'down' to be the subject/ target for the practice of bukkake.
"Dude Amanda is the only girl coming to the house tonight."

"Damn son, I hope that girl is DFB."
by bukakkefan124 August 29, 2009
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Down for Birdman
Anyone DFB? I know I am!
That dunk Birdman just did made me totally DFB.
by Dirty Mike and the Boys31 January 19, 2013
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