Similar to the words owned and pwned. Except it is showing a higher level of conquering. It is used to be even more of an insult when defeating someone and humiliating them completely.
A city in Florida on the edge of Lake Okeechobee best know as "Muck City". Pahokee football team is regarded as the best High School football Team in Palm Beach County and across Florida. The Mascot for Pahokee is the famous Blue Devils.
You: Hey who are you playing football for this year?
Me: Pahokee duh!
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?"