whacks; whacked; whacking
1
informal
: to hit (someone or something) with great force
She whacked the piñata with a stick.
The old man lifted his cane and whacked the mugger on the head.
They were whacking through the jungle with their machetes.
2
US, informal
: to reduce (something) by a large amount : slash
Congress whacked the budget by 1.5 billion dollars. = Congress whacked 1.5 billion dollars from the budget.
3
US slang
: to murder or kill (someone)
He got whacked by mobsters.
plural whacks
informal
1
a
: the act of hitting someone or something with great force
She gave him a whack on the head. [=she whacked him on the head]
He gave the ball a good whack. [=he hit the ball hard]
b
: the sound made when something is hit hard
The pile of books hit the floor with a whack.
2
British
: a share or portion of something
I ended up paying full whack [=full price] for items that went on sale the next day.
I paid top whack [=(US) top dollar] for these items. [=I paid the highest amount possible]
You need to pay your fair whack [=fair share] of the bill.
Cite this Entry
“Whack.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/whack. Accessed 24 Jun. 2026.
Copy Citation
