"plskthx" is short for "please, okay, thanks", often used in a sarcastic, quick way. Added to the end of a demand or order, you will always get what you want.
Much like kthxbai, but used to show how unworthy a n00b really is. It is ofen used to humour a person who writes like an idiot ie a n00b
n00b: how cn 1 g3t da sw0rd of hEaLing ?!!oneone11!!eleven!questionmark??
Uber: stfu plskthxbai
(Alternate Uber response): by committing suicide on webcam. go do that now plskathxbai
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"