Acronym: Personal Best. Sports term, particularly related with swimming and athletics.

On everyones bucketlist

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.

Penis Back Slap
To slap a girl in the face when she talks back to you

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.

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.

Paintball or peanut butter