All the nuns from a convent which had mysteriously burned to the ground were driving by bus to the new convent. It was a dark and stormy night and as they bumped along a narrow, rutted dirt track, the engine cut out.
Suddenly there was a lightning flash and in front of them appeared, Auld Nick, the Lord of Hell himself. Horrified, the Mother Superior urged the young nun who was driving,
Quick! Show him your cross!
Without hesitation, Sister Maggie got out of the bus, fixed her eye on Auld Nick's evil countenance and jabbing her finger aggressively at him, screeched, GET OOT O MA WEY, YA WEE NYAFF!