What is the meaning of walloping?

noun

• A sound defeat.
  • synonyms: thrashing, debacle, drubbing, slaughter, trouncing, whipping

verb

• Hit hard.
  • usage: "The teacher whacked the boy"
  • synonyms: whack, wham, whop, wallop
• Defeat soundly and utterly.
  • usage: "We'll wallop them"
  • synonyms: wallop

adjective

• Used informally. ( very large)
  • usage: "a thumping loss"
  • synonyms: humongous, banging, thumping, whopping