wallop
Americanverb (used with object)
verb (used without object)
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Informal. to move violently and clumsily.
The puppy walloped down the walk.
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(of a liquid) to boil violently.
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Obsolete. to gallop.
noun
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a vigorous blow.
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the ability to deliver vigorous blows, as in boxing.
That fist of his packs a wallop.
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Informal.
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the ability to effect a forceful impression; punch.
That ad packs a wallop.
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a pleasurable thrill; kick.
The joke gave them all a wallop.
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Informal. a violent, clumsy movement; lurch.
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Obsolete. a gallop.
verb
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informal (tr) to beat soundly; strike hard
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informal (tr) to defeat utterly
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dialect (intr) to move in a clumsy manner
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(intr) (of liquids) to boil violently
noun
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informal a hard blow
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informal the ability to hit powerfully, as of a boxer
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informal a forceful impression
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a slang word for beer
verb
Other Word Forms
Derived Forms
Conjugated Forms
Present
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has wallopedperfect 3rd person singular
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have wallopedperfect
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am wallopingprogressive 1st person singular
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has been wallopingperfect progressive 3rd person singular
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are wallopingprogressive
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have been wallopingperfect progressive
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is wallopingprogressive 3rd person singular
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wallopssingular 3rd person
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wallopingparticiple
Past
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had wallopedperfect
-
had been wallopingperfect progressive
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were wallopingprogressive plural
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was wallopingprogressive singular
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wallopedsimple
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wallopedparticiple
Future
Etymology
Origin of wallop
1300–50; Middle English walopen to gallop, wal ( l ) op gallop < Anglo-French waloper (v.), walop (noun), Old French galoper, galop; see gallop
Explanation
A wallop is a hard punch or another strong hit. A boxer sometimes wins a match with one single, well-aimed wallop to their opponent. A wallop is not just a physical blow, but it can also be a huge effect or impact. A principal's strongly worded lecture to a group of bullies might pack a wallop, for example, resulting in a major change in behavior. Use this word as a verb and it means "punch" or "defeat completely," so you'll frequently hear it in sports reporting: "The Wizards score the last points of the game and wallop the Pacers."
Vocabulary lists containing wallop
Super Bowl Blowout: Epic Vocab for the Big Game
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"The Mixer," Vocabulary from the short story
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Game Changer
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
All the indications are that Maeda will leave Celtic this summer, exiting with a crash, a bang and a wallop.
From BBC • May 23, 2026
They also wallop small businesses, which typically pay tax at their state’s individual rate.
From The Wall Street Journal • Apr. 14, 2026
The Getty Museum’s groundbreaking Pride Month show is provocative and important, and the timing packs a wallop.
From Los Angeles Times • Jun. 24, 2025
Even so, the 10th-placed Seagulls are one of those teams where just when you think about writing them off, they will come up with a performance and wallop someone.
From BBC • Apr. 17, 2025
These Amoses might look like a bunch of cream puffs but if she was anything like Todd I bet she could pack a real wallop.
From "Bud, Not Buddy" by Christopher Paul Curtis
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.