slapper

n. person or thing that smacks; (British Slang) prostitute, slut

Noun
1. a hitter who slaps (usually another person) with an open hand; "someone slapped me on the back and I turned to see who the slapper was"; "my father was the designated spanker in our family"
(synonym) spanker
(hypernym) hitter, striker
(derivation) slap

adj. lower

adj. slack, languid, languorous, nerveless, toneless, enervate, dopey, dopy, soft, flabby, flaggy, flaccid, loose, weak, dickey, sissy, small, lax, limp, watery, washy, wishy-washy, mushy, pulpy, slow

(n.)
One who, or that which, slaps.
  

(n.)
Anything monstrous; a whopper.
  

(a.)
Alt. of Slapping
  

drops