Similar to Jo, I had a friend who thought that Freddy Mercury was singing "spare him his life from these pork sausages"! I can't listen to Bohemian Rhapsody without hearing that -even though I know the correct lyrics!
A childhood belief about misheard lyrics

others believed things like this
- In Queen's Bohemian Rhapsody, I used to think they were singing "Beelzebub has a devil for a sideboard!"Anon
- I used to beleive Freddy Mercury was a wrestler— Owain
- My sister believed the pork in pork and beans was marshmallow...and would always "fight" us for it.Anon
- My partner's Mum thought that pigs layed sausages just like chickens lay eggs.— Bunny
- When I was (very) young, I believed that sausages were Pig poo. Yum.— CrystalTips
- I used to think that sausages where made from cow's udders.— eoin