nom-vom 

n. Slang for bulimia (bulimia nervosa), the eating disorder characterized by binging and purging.

v. The act of binging and purging, as associated with bulimia

- Have you ever noticed she heads to the bathroom after every meal?
- Yeah, I think she might have nom-vom.

- How's the treatment for your bulimia going?
- Okay, I haven't nom-vom'd in 3 weeks.

nom-vom by snmt June 29, 2009

om nom vom 

When you eat something (nom) that makes you want to throw up (vom). Or just when something is particularly disgusting.

om nom vom Japanese bean paste 'candies'

om nom vom by amy.redbeau November 2, 2010

nom and vom

The practice of nomming (eating) and then vomming (throwing up) aka bulimia.

I was craving some Taco Bell, but that is so nasty, I had to nom and vom.

nom and vom by weeeeeeeezy March 30, 2010