a vegetarian woman's genitals. a specification of the general term "spam purse"
man 1: "I could see Betty's spam purse her skirt was so short." man 2: "No, dude. Betty, has a tofu purse, she's a vegetarian."
a massive fat gut achieved by over indulging in egg nog during the short time it is available. Similar to beer belly, but potentially more devastating.
Angela: "Holy crap, David! Are you pregnant?"
David: "Nope, its nog belly!"