a different version/censored version of bitcoin, usually used in tv or movies to avoid any brand naming
person 1: "i love bestcoin"
person 2: "wtf is bestcoin? dont u mean bitcoin??"
person 1: "nah man, im reading the script for my new hit tv show!! DUHHHH!!"
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.