Doing something f**king retarded, that works out really badly, then learning nothing from your mistake, and doing the exact same stupid thing all over again. Named after a certain Disney actress we all know and love, who on two separate occasions accidentally released nude pictures that are also well known and well "loved".
Naz: Dude, you should've been there last night. Your idiot roommate got drunk and pissed himself in front of everybody.
Dan: Again? He just did that at another party last week. He totally pulled a Hudgens on this one. Except I can't pleasure myself to this mistake. Oh, by the way, Naz, how about giving me a rusty plumber?
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.