A subcategory of feederism where one obtains sexual gratification either from feeding a partner or from being fed, usually past their limits. Someone into belly stuffing will most likely find round, stuffed bellies or the state of being full or overly full attractive.

Other related kinks may include moaning, forcefeeding, aftercare, exhibitionism, submissive/dominant, etc.

when you're hungover as shit after a spending a night drunk as a skunk

The act of performing sexual intercourse with a fat person in the bellybutton.