It stands for Pen-in-Brain Syndrome. A rare disorder that is easily identified by the physician for the characteristic pen lodged in the brain. PBS is almost always fatal. There was one instance recorded example of a man suffering from PBS for years, without realizing he was missing portions of his brain that governed logic and reason. Upon removal of the pen, however, he died.
"This is a clear cut case, ladies and gentlemen. This man died from Pen-in-Brain!" (PBS)
by Decrata December 24, 2013
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Penis Back Slap
To slap a girl in the face when she talks back to you
this chick was giving me head and she was bitching about it so I PBSed the hoe.
by Eltoro19 May 8, 2008
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Do you play with pb guns?
I love pb and jelly sandwiches.
by Steve8282 August 7, 2004
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punk buster:

An intergrated program put into most online first person shooters to catch all the 13 year old hackers, that doesnt really work, and kicks people who dont hack from thier favorite servers.
OMFG h4w h4w d00ds!!11 LIEK I JUST HAXED PB BECaUSE IM A c0CKLESS bLOo CR4yon W|+h nO S|<illz @ ALL!!111!!
by thorin August 10, 2004
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Punk Buster.
The integrated program into any game that uses Punkbuster to catch cheaters or hackers that try to modify game content unfairly compared to other players.
Aimbots, Chamilion skins, Wall hacks, Name tag hacks, Custom Vectors, Commander hacks, Asus wall hacks, Crosshair, and many more.

"OMFG I HATE PB BECAUSE IM HACKING AND I JUST GOT BANNED!"
by flyingtoretilas May 19, 2007
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To pack a "Personal Bowl," of marijuana. This is putting nugget in the bowl for the soul purpose of one person smoking the entire bowl.
"Yo can I get in on that" he replied, "no man this is a PB"

"Who did you rip with" he replied, "I just had a PB, it was nice"
by Jean Marie February 11, 2009
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The remotely hosted forums called Proboards. PB for short.
Proboards offer the best remotely hosted forums.
by Nick March 19, 2004
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