Entry 3 senses Webster, 1913 hooter · hoot·er · IPA /ˈhu.tɚ/ 01 n. the nose. 1. the nose.[slang] 2. An automobile horn.[Brit. slang] 3. A woman's breast, especially one that is large.[vulgar slang] Syn. beak, honker, nozzle, snoot, snout, schnozzle.