Px : means Parc Extension a small town "brown ghetto"
meaning its largely populated by Pakistani's, Indians, Sri Lankan's and Bengali's. Its the best place to get high. Its in Montreal, Quebec, Canada.
Px for Life!! ^^^
Guy 1 : You going Upt? ( Uptown = Plamondon )
Guy 2 : Nah im going to Px
Short for penix, post examination, principal exchange, and hundreds of other terms to lengthy to list here. Most commonly used as a referrence to something astronomically gay.
Doug: That guy shoving a fire hose into his rectum sure does remind me of px.