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Noun: walloper  wó-lu-pu(r)
Usage: informal
  1. A very hard hitter
    "The baseball team's walloper was known for hitting home runs that cleared the outfield fence"
     
  2. A winner by a wide margin
    "The team emerged as the walloper in the championship game, defeating their opponents 5-0"
     
  3. A gross untruth; a blatant lie
    "He told a walloper about catching a fish as big as a car";
    - whopper [informal]

Derived forms: wallopers

Type of: hitter, lie[2], prevarication, striker, victor, winner