D defs.my
Entry 2 senses Webster, 1913

Whopper

/wäp'-ẽr/ · Whop·per · IPA /ˈwɑ.pɚ/
01 n. One who, or that which, whops.
  1. 1.
    One who, or that which, whops.
  2. 2.
    something very large, especially a big lie. Same as Whapper, but the more common spelling. See: Whapper