slapper

noun

Etymology: From slap + -er. For senses 2 and 3, the OED tentatively quotes the Bloomsbury Dictionary of Contemporary Slang: "This working class term from East London and Essex is probably a corruption of shlepper or schlepper, a word of Yiddish origin, one of whose meanings is a slovenly or immoral woman."

1. One who, or that which, slaps.
2. A prostitute.

   “A fella looking dapper / And he's sittin' with a slapper / Then I see it's a pimp / And his crack whore”

   “You've got a photo of the dead grandad, no pic of the blonde slapper?”

3. A woman of loose morals.
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. Anything monstrous; a whopper.