slapper

Short definition from Wiktionary

Noun

1. 1
   One who, or that which, slaps.
2. 2
   A prostitute.
3. 3
   A woman of loose morals.
4. 4
   A type of detonator which uses a powerful surge of electricity to vaporize a thin metal foil, propelling a larger piece of plastic film at a speed high enough to detonate an explosive upon impact.
5. 5
   Anything monstrous; a whopper.