A bastardisation of "Buzzin'". A word used by in the pikey and chav community to indicate that the object in question is great/pleasing/highly intoxicating.
Just bought an SRI Nova cha', It's fuckin' chuzzin mate, no mistake!!!
After smokin' that toke the other night I was chuzzin' me tits off!!
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.