a cradle-snatcher

a cradle-snatcher

  (British & Australian humorous)
someone who has a romantic or sexual relationship with a much younger partner He's three years younger than you? You cradle-snatcher! (British & Australian humorous)
References in periodicals archive ?
Famed for liking young men - that's Flack, not Louis - the 34-year-old has in the past been called some outlandish names, like a cougar, a cradle-snatcher, even a presenter.
Others called me a paedophile and a cradle-snatcher.
She did everything she could to break us up, telling lies about me and accusing me of being a cradle-snatcher.
s r Critics have called her all sorts of outlandish names - like a cougar, a cradle-snatcher, even a presenter.
I don't want to give the office gossips a field day and get a reputation as a cradle-snatcher.
But my parents call him a cradle-snatcher which really hurts us.