fartknocker

noun3

1. •
   (slang, offensive) A contemptible or annoying person.

   • He ran off, laughing and screaming. Dud jumped up and gave chase. "You little fart knocker," he said, clomping away, long-legged, into the dark. "Bring back here my Hubert Terrapins." — 1971
2. •
   (slang, offensive) A homosexual man.

   • "That little fartknocker didn't leave us any money, and he said it was going to be on him." "That's all right, I've got money," Elaine said. "He's so funny; I love him. He's always chasing some man." — 1995
3. •
   (informal) An instance of being thrown from, or hitting the ground after being thrown from, a horse.

   • […] and, as one cowboy said, "I didn't get settled in the saddle before that hoss shore sent me on a fart knocker." — 1971