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2.
An acronym for a measurement of cocaine or other insuflatable substances.

It's a "denisbaldwin sized line".

The line is no less than 5" long and no less than 2mm thick. The longer, the better.
I cut a DBSL for this Catholic Schoolgirl that would have made most people choke. She snorted it up like a champ!
by Denis Baldwin February 03, 2004
 
1.
Don`t be so long
A: I`ll brb (be right back).

B: ok dbsl
by lukassos January 02, 2010