The sarcastic method of referring to another individual attempting to sabotage their happiness. Dudeykins will generally be used at the expense of someone whose confidence levels have allegedly risen too high.
Loser: 'Ah i'm really happy with life at the moment and I am doing really well at school and socially'
12 step recovery jargon referring to someone new who talks about how great life is, now that they're sober. 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.