<p><strong>Noun</strong></p><ul><li>British Slang: a stool pigeon or informer.</li><li>Australian Slang: an annoying person.</li></ul><p><strong>Verb</strong></p><ul><li>(used without object) British Slang: to act as a police informer or stool pigeon.</li><li>Australian Slang: to become annoyed.</li></ul><p><strong>End of Response</strong></p>