An XL size t-shirt that is to be worn at parties when the current apparel is in danger of being destroyed by puke, beverages, or other bodily fluids.
Victoria: Shit, this party is out of control!
Mike: That's why I already put on my party gown.
Victoria pukes on Mike's party gown.
Mike: Thanks party gown!
Mike: That's why I already put on my party gown.
Victoria pukes on Mike's party gown.
Mike: Thanks party gown!
by Sandwich Mike September 11, 2009