This word was inserted into the English Language by dr david zhang of china. however some people believe it is really a codeword for his mission that is rumored to be china taking over the world.
Random Dude: U r so fadawada random dude 2
Random Dude 2: I know
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.