In the movie Mary Poppins when she sings Feed The Birds there is a part that goes "all the saints and apostles" that, when I was little, I was convinced went "all the snakes and opossums". My dad always told me I was right and would sing it to me like that when I was going to sleep.
A childhood belief about misheard lyrics

others believed things like this
- i thought "two pence a bag" from feed the birds from mary poppins was "toppins of ag"Anon
- I used to think my grandma was THE Mary Poppins.Anon
- my friends mom used to sing "you talk sense" instead of utah saints.— nikki
- when i was a kid i believed i could make things happen just by snapping my fingers like in mary poppins!!Anon
- My das convinced me that the birds which sat on our trees wanted to steal them. — belle
- When I was 3 I was convinced that I would mary John Bon Jovie— Jessie