A woman had her dog neutered

A woman had her dog neutered

because she was told it would curb the animal's aggression. But the next day it savagely attacked the postman.
"I'm so sorry," she said, rushing to the man's aid. "I was told he'd stop attacking people if I had him neutered."
"Lady," said the postman, picking himself off the ground, "you should have had his teeth pulled. I knew when he came out the door he wasn't going to screw me !"