Idiom Magic﹕媽媽/老婆/女友 Old lady

【明報專訊】In the world of slang and popular speech, certain things are sometimes called what they aren't. One's old lady is one of those things, for in colloquial English old lady is either someone's mother, wife or girlfriend. The young have no trouble accepting this term, but a boy or girl's mother may not be happy being called old!