Berkeley Standard Distribution.
This is Berkeley Universities Implementation of UNIX. Although BSD is not a registered UNIX BSD includes source code from the original System V in its kernel.

see FreeBSD, OpenBSD, NetBSD.
Haha, I laughed as the linux kiddie ran his outdated bind exploits on my OpenBSD
by end_user November 11, 2003
Top Definition
Big Swinging Dick. A front office 'player' in sell-side or a hedge fund. An executive who is personally responsible for bringing revenue in.
Boss: Rob, you made a lot last quarter, you are now officially a BSD.
by robh353 May 18, 2005
Bermuda Shorts Day at the University of Calgary. Large party at the end of the school year.
I'm going to get drunk on BSD
by Sitruc April 13, 2006
BSD stands for berkeley software distribution (not berkely STANDARD...idioth).

There was actually Unix Version 6, then it split into Version 7 and BSD became seperate. Modern BSD is based off of Original BSD 4.4 (4.4lite).
end_user obviously doesn't really know about BSD. It's too bad too, because BSD rules.
by london December 05, 2004
to have worked very lightly on, to have made up information on something , cheat
I BS'd the assignment, I had no ther way to do it.
by Some BA kid February 04, 2005
Big Stomach Disease
Damn, knew I should have used a raincoat when shooting that jelly roll last weekend. Now she got the BSD like Princess Kate!
by TheQuietStormRVA December 04, 2012
Back seat driver (A nagging person sitting at back seat of the car. Can also be used in an work environment (micro manager)
That manager is a BSD, he is always looking over my work and correcting it.
by Rageanitus February 05, 2014
Big Swangin Dick
This bitch needs to shut up or I'm gona give her the B.S.D.
by Kizzle Wizzle December 12, 2003
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