Eat a mum's potatoes
When you bite so hard on a mum's backside her farts come out of her ears and she starts singing.
The kid bit so hard on the mum's arse her farts came out of her ears and she started singing.
He ate a mum's potatoes and made her fart so much she started singing.
At the school play, the kid ate a mum's potatoes and the mum farts sang a song.