hooter

noun

1. A person who hoots.
2. The horn in a motor vehicle.
3. (British)A siren or steam whistle, especially one in a factory and used to indicate the beginning or the end of a working day or shift.

   “Suddenly, far down and beyond the toun there came a screech as the morning grew, a screech like an hungered beast in pain. The hooters were blowing in the Segget Mills.”

   “When the right-away was given, Driver Gibson would give a sonorous blast on Cardean's deep-toned hooter, and amid a flurry of swirling steam the train would move majestically out, with nearly half the city of Carlisle—or so it would appear—as onlookers on the platform.”

   “A chime whistle, presented to the L.M.S.R. by American model railway enthusiasts in 1939, is installed now as a works hooter at Crewe Works, as its height precludes its use on a British locomotive.”

4. (slang)A nose, especially a large one.

   “Aye, it may be a joke to you, but it's his nose. He can't help having a hideous great hooter! And his poor little head, trembling under the weight of it!”

   “Shouldn't worry me, I thought, but sure enough, 20 seconds later the smell of wafting cigarette smoke drifts over the back of my seat and up my hooter.”

   “Somebody yelled, ‘You bit off a bloke’s nose in Ireland.’ The story was that I’d amputated his hooter.”

5. An owl.
6. (US, especially, plural-normally, slang)A woman's breast.
7. (slang)A penis.

   “There, nestled in one of her gloved palms was a massive, blue-veined hooter with a pus-filled bump on it the size of a pecan. It was his hooter and his pus-filled bump. ¶ “You ole rascal,” she said, and gently lowered his dick between his legs.”

   “He called it “Hooterville,” mainly because he was such a fan of Petticoat Junction, and he really enjoyed getting his hooter worked on.”

8. (slang)A large cannabis cigarette.
9. (dated)The tiniest amount; a whit or jot.

   “G.G. understood that I meant the licence, and said he didn't care a hooter about failing his driving test.”