According to someone in the internet here are the full lyrics:

Badger, badger, badger, badger, badger, badger, badger, badger, badger, badger, badger, badger; mushroom mushroom; Badger, badger, badger, badger, badger, badger, badger, badger, badger, badger, badger, badger, mushroom, mushroom! A badger, badger, badger, badger, badger, badger, badger, badger, badger, badger, badger; mushroom mushroom; A badger, badger, badger, badger, badger, badger, badger, badger, badger, badger, badger, African snake! Snake! Snake! Oooh, it’s a snake! Badger, badger, badger, badger, badger, badger, badger, badger, badger, badger, badger; mushroom mushroom