Hoot

n. I owl’s cry. 2 sound made by a car’s horn etc. 3 shout expressing scorn or disapproval. 4 colloq. a laughter. b cause of this. 5 (also two hoots) slang anything at all, in the slightest degree (don’t care a hoot; doesn’t matter two hoots). v. 1 utter or make hoot(s). 2 greet or drive away with scornful hoots. 3 sound (a car horn etc.). [imitative] hooter n. 1 thing that hoots, esp. a car’s horn or a siren. 2 slang nose.