Wallop, v.

Let's see what the Oxford Dictionary says about the word "Wallop".  The Oxford Dictionary is the only way to go. 

Definition of wallop

verb (wallops, walloping, walloped)

[with object]

• strike or hit (someone or something) very hard:they walloped the back of his head with a stickfigurativethey were tired of getting walloped with income taxes
•  heavily defeat (an opponent).

noun

• 1a heavy blow or punch.
•  [in singular] chiefly North American a potent effect:the script packs a wallop

• 2British alcoholic drink, especially beer.

I love this word.