CONSTIPATION
 A nun walks into a liquor store and says, "Give me a pint of brandy."
 The guy says, "Sister, I've never sold alcohol to a nun."
 She says, "It's for the Mother Superior, she's constipated." So he sells
it to her.
 Later that night, he walks out and there's the nun on the stoop, with the
empty bottle, drunk as a skunk, singing and laughing. He says, "Sister, for
shame. You told me the bottle was for the Mother Superior's constipation."
 The nun says, "It is. She's constipated and when she sees me, she's gonna
shit."
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