earwiggerEnglishOxford Dictionary of Englishearwigger /ˈɪəwɪɡə / ▸ noun British English informal a person who secretly listens to a conversation: just how much did you hear, you little earwigger?. – ORIGIN late 18th century (in the sense ‘a person who seeks to influence others in secret’): from earwig + -er1.