to beat soundly; thrash.

Informal . to strike with a vigorous blow; belt; sock

After two strikes, he walloped the ball out of the park.

Informal . to defeat thoroughly, as in a game.

Chiefly Scot. to flutter, wobble, or flop about.

Informal . to move violently and clumsily

The puppy walloped down the walk.

(of a liquid) to boil violently.

Obsolete . to gallop.

a vigorous blow.

the ability to deliver vigorous blows, as in boxing

That fist of his packs a wallop.

Informal .

the ability to effect a forceful impression; punch

That ad packs a wallop.

a pleasurable thrill; kick

The joke gave them all a wallop.

Informal . a violent, clumsy movement; lurch.

Obsolete . a gallop.

verb

fail , lose , surrender

noun

bash , belt , blow , bop , bump , clash , collision , crash , haymaker , impact , jar , jolt , kick , percussion , punch , shock , slam , slug , smack , smash , thump , thwack * , whack , bang , clout , crack , hit , lick , pound , sock , swat , thwack , welt , wham , whop , punch* , sting* , lift

verb

bam , bash , batter , belt , blast , boff , bop , buffet , bushwhack , clobber * , drub * , hide , lambaste * , paste , pelt , plant one , pound , pummel , punch , slam , slog , slug , smack , smash , sock , strike , swat , take out , tan * , thrash , thump , whack , wham , whomp , zap * , beat , best , crush * , lick * , rout , shellac * , thrash * , trim * , trounce , vanquish , whip * , catch , clout , knock , pop , smite , thwack , whop , annihilate , crush , drub , overpower , steamroller , blow , clobber , collision , crash , defeat , hit , lick , plaster , shellac , tan , whip