rob the cradle

rob the cradle  {v. phr.},  {informal}
To have dates with or marry a person much younger than yourself.
When the old woman married a young man, everyone said she was robbing the cradle.
- cradle-robber  {n.}
The judge died when he was seventy. He was a real cradle-robber because he left a thirty-year-old widow.
- cradle-robbing  {adj.} or  {n.}
Bob is seventeen and I just saw him with a girl about twelve years old. Has he started cradle-robbing? No, that girl was his sister, not his date!
Categories: {adj.} {informal} {n.} {v. phr.}