it was like a few years ago, it had a jar of peanut butter and a jar of jelly, and they were like boy friend and girlfriend and holding hands, and then they were walking down the sidewalk and at the very end of the video i think one of the band members like eats them or something....

yeah i know this sounds retarded but i need to find out for someone thanks
I think i know what you are talking about
Trust me I'm a doctor

A doctor with a mustache
I saw a song by the melvins where somone turns into cake and gets eaten at the end. that's probably not it.