This is derived from the Olde English word "Pumpkinitous" which is defined as: The act of being startled by a rooster, tripping and falling out of a barn window, down a ladder, and into a wagonload of pumpkins, resulting in a pumpkin stem piercing through your Dungarees and lodging in your anus.
larry: Yo B-train, where u been? we been playin' Keno all night at FoodMart wit out you.
billy: shit man, i got a mad case of pumpkinitis. u win?
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.