i could eat a nun's arse through a convent gate
You’re so hungry, you’d eat a nun’s butt even if the convent gate was locked.
I could eat a nun’s arse through a convent gate after eating nothing but chips for a week.
That pie looked so good, I could eat a nun’s arse through a convent gate.
I was that hungry, I could eat a nun’s arse through a convent gate and still ask for a drink.