Definitions by certainsurprise

raisin oatmeal 

the simple process of throwing up, then hooking up with a willing person

It is quite disgusting to wake up with a hangover and hear that you hooked up with someone who threw up 3 seconds before--in other words, you pulled a raisin oatmeal

raisin oatmeal by certainsurprise July 31, 2008