A nine inch angle grinder, a Big Dangerous Bastard. So named because of the number of serious injuries associated with the use of these machines. Banned from many worksites because of this.
"Hey, get that BDB off this worksite ! Nothin bigger than seven inches here without half an hour of paperwork."
by Philthy Phil999 March 29, 2010
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A Bad ass Stud who's first initial is "B", and has a impossibly long penis.
"Wow look at how many bitches #BDB can fit on his dick"!
"I know, i wish my dick was as big as BDB's."
by 69the69truth69 November 18, 2014
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Baby Daddy Bull Shit
this is the male equivilant of Baby Momma Drama
When the father of your child causes you excessive trouble, pain, emotional stress, and annoyance.
Sara: Ben has been an asshole to me all week and he's causing my morning sickness to act up.

Ashley: Girl that is some serious BDBS
by babymomma91 December 24, 2009
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Bikes Doing Biker Shit
What was that?

BDBS, bro.
by TruckerRichard October 31, 2020
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“Damn That Girl Last Night was crazy, was acting like a big dick biter

“Johnny was a real BDB yesterday for not hanging out
by LegendaryLumberJack October 12, 2018
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Abbreviation for the Black Dagger Brotherhood book series by J.R. Ward.
I can't believe you are rereading all the BDB books for the third time.
by ZsadistWife April 18, 2022
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