When a Mexican guy (always male) smells like either. A bad smell of tacos or a weird smell of tacos when I personally smell this I think I'm racist for a second then sniff again and sure enough I'm right my dude.
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.