Originated from Dhaka, Bangladesh Pera is a term originated in Bangla medium schools in Dhaka (Ideal school, Viquarunnisa). It is used to express feelings of stress.
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.