Chunkle Fever

a skinny person's new-found preference after discovering the mind-blowing superiority of plus-sized sex partners.

Al: That girl is so hot, is that fat guy her brother?
Bob: Nah, that's her boyfriend, she's got Chunkle Fever

or

Richard: Check the giant booty on that one!
Wayne: Aw yeah...
Richard: Bro, you got Chunkle Fever