OK, some of you know I have fond (?) memories of being in Catholic school in the 50's and 60's, so, as kat would say, no offense intended.
alice
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Two nuns, Sister Marilyn and Sister Helen, were traveling through Europe in their car. They got to Transylvania and were stopped at a traffic light when suddenly, out of nowhere, a diminutive Dracula jumped onto the hood of their car and hissed at them, through the windshield.

"Quick, quick!" shouted Sister Marilyn, "what shall we do?" "Turn the windshield wipers on. That will get rid of the abomination," said Sister Helen.

Sister Marilyn switched them on and knocked Dracula about, but he hung on and continued hissing at the nuns.

"What shall I do now?" Sister Marilyn shouted. "Switch on the windshield washer. I filled it up with Holy Water at the Vatican," said Sister Helen.

Sister Marilyn turned on the windshield washer. Dracula screamed as the water burned his skin, but he hung on and continued hissing at the nuns.

"Now what?" shouted Sister Marilyn.

"Show him your cross," said Sister Helen.

"OK! - now you're talking," said Sister Marilyn, and she opened the window and shouted, "Get the **** off our car!"