Big Dick Frank. This is a specific Style of Frank with more phallus than most. He might be found on a Bicycle with a Big Crank to match his Big Dick. Find yourself a BDF and leave your significant other now
I can die happy knowing I rode BDF's bicycle, and penis
by NotAlexButMostLikelyDevinMunga November 4, 2014
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Billy owes me $80 for that keg of PBR, but he's been avoiding me for weeks because he's a BDF.
by BustedS13 August 15, 2010
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"Oh my god I can't remember anything from BDF!"

'What's BDF?'

"Belligerently drunk Friday!"
by wastedwhitegirl January 16, 2012
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Big Dick Felix
A nickname used for when your mate Felix has a big dick.
"YO look over there its BDF"

"Hi BDF"
by RuBEnWATts February 13, 2018
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BDF=BodyDrop Forever! BodyDrop Fitness is a hip hop fusion fitness class started in Austin Texas.
Hey Girl! Missed you at class tonight! See you Thursday! BDF!!
by FreakFlagFlygirl February 3, 2016
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"This nigga told me to call him bdfs (Big Daddy Fat Sack) last night"
by jjinx1272006 March 23, 2019
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