Сайнфелд Season 4 Episode 20

Jerry has a date with a woman whose name he has forgotten, but it "rhymes with a female body part." Could it be "Mulva"? Elaine visits an old boyfriend who's in the hospital for an operation; he was once fat, thin she's interested again. Kramer gets an opportunity to witness the operation and he drags Jerry along, while watching they have an accident with a "Junior Mint."