smasher

/S M AE1 SH ER0/
noun
  1. 1

    Something that, or someone who, smashes.

  2. 2

    An attractive person (see also smashing).

  3. 3

    Anything very large or extraordinary; a whopper.

  4. 4

    One who passes counterfeit coins.

  5. 5

    (lang) The counterfeit money itself.

Source: https://en.wiktionary.org/wiki/smasher