A synonym for "please" and probably the easiest way to troll people online, since 95% of the entire online gaming community gets freakishly butthurt over it.
Most commonly used by trolls and n00bs.
Random online player #1: I can has free stuff pl0x?
Random online player #2: Lol shut the **** you ****ing piece of **** i ams much better than you, you ****ing n00b!