D defs.my
Entry 3 senses · 2 variants Webster, 1913

Slapper

· Slap·per · IPA /ˈslæpɚ/
01 n. One who, or that which, slaps.
  1. 1.
    One who, or that which, slaps.
  2. 2.
    Anything monstrous; a whopper.[Slang]
02 a. Very large; monstrous; big.
  1. 1.
    Very large; monstrous; big.[Slang.]