Pulling a Michael Knight: Grabbing someone by their shirt collar and prop them up against a wall when you are angry with them. Typically followed by some verbal threat of some type. Often used as a tactic by Michael Knight in the award wining 1980's Knight RiderTelevision series.
Joe was refusing to give me my CDs back so I had to "Pull a Michael Knight" on him to get them back!
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.