The one that comes closest to being an actual parody of the original song is his 'Smells Like Nirvana' (from 'Off the Deep End'

. In brief, Al's version is about how difficult it is to understand the garbled lyrics of Nirvana's 'Smells Like Teen Spirit.'
Then there are Al's style parodies, where he uses the basics of a certain genre, making it sound like an 'actual' song at first, then adds weird lyrics. (See his 'Christmas at Ground Zero' from 1986, a '50s-era-sounding Christmas song all about celebrating the holidays after a nuclear war. Or his 'Truck Drivin' Song' from '99, a country tune about a cross-dressing trucker.)
'Nuff said, TPE (Who did, in fact, manage to stay on-topic for this newsgroup, as Roger Stern quoted Al's 'Truck Drivin' Song' in an issue of his 'Avengers Two: Wonder Man & Beast' miniseries!)