A person, typically in a video game or a crowded physical space, who stands directly in a doorway or narrow passage, effectively obstructing the flow of traffic. Popularized in online gaming communities to describe players who block chokepoints, either through negligence or griefing.
"Get out of the way, you door-fucker! I'm trying to retreat before the grenade goes off!"
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.