It's about when stuff like nukular bombs or yellow cake get spread around by evil doers.
"Yeah, I've thought about nukular perif-perifu... waitasec... nukular perifulation... whatever. It's hard. But I know it's a bad thing. It's a really bad thing, and it's just not good for the American people. And I'm gonna make damned sure Iraq stops doin' it, before it comes over here in the form of a big hairy mushroom cloud." --George W. Bush
another term for a station wagon, mini-van, or any other kind of vehicle that is targeted at the "family" demographic(also M.A.V.)
"Tactical advantages aside, the M.A.V. is top of the line for the holy warrior troop transport manufactured by the Church of Latter Day Saints Military Industrial Complex. Also great for family trips...to heathen lands."
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.