bang like a dunny door

== English == === Verb === bang like a dunny door (third-person singular simple present bangs like a dunny door, present participle banging like a dunny door, simple past and past participle banged like a dunny door) (Australia, slang) To have sexual intercourse very frequently or very vigorously. Synonyms: bang like a dunny door in a gale, (vulgar) bang like a shithouse door