Bum
 
Bum bum bum
You are my bestest bit
Bum bum bum
I use you when I sit
 
My Bum is the best
He is better than the rest
 
Bum bum bum
I think you're really fit
Bum bum bum
I use you when I shit
 
My Bum's a work of art
Love to breath deep when I fart
 
I love you bum !