When you've got a girl and your sure you're gonna get laid one night, but don't. It is caused by either a) Shes scared or b) You're unattractive
Guy 1: So did you finally get laid by that chick you been with?
Guy 2: Nah man, I don't know why though
Guy 1: Oh, she put you under the pussybo effect
Guy 2:Dammit! WTF
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.