The term usually given to a Rainbow fish from Krypton like off the Superman Series who goes round quelling the danger of nearby foes in the ocean...(Like Nemo)
Oh my god Adam you quell end Oh he Quelled The Danger
Woah Adam you Jedi
Quell Your Mumblud quell fish bitch
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.