crusher

noun4

1. •
   Someone or something that crushes.
2. •
   A machine designed to crush rocks.
3. •
   (slang, old-fashioned) A policeman.

   • Back in the lobby he bought a copy of Time but didn't like the way the plain-clothes crushers looked at him, and left. — 1977
4. •
   (slang, no longer used) Something overwhelming.

   • “She is a crusher, ain’t she now!” Mr. Foker asked of his companion. — 1848