whacker

noun

USWAK-ur/ˈwækɚ/UKWAK-uh/ˈwækə(ɹ)/

4 meanings of whacker

1
nouncountable
A person or thing that hits something hard.
Like a hammer: its whole job is to hit things.
He swung the whacker hard against the old fence post.
Grandpa used an old whacker to beat the dust out of the rugs.
Similarhitter, striker, beater
Note
2
nouncolloquialcountable
Something that is much bigger than usual.
Like calling a huge dog a 'monster' because it's so big.
That fish he caught was a real whacker.
The pumpkin she grew turned into a giant whacker by fall.
Similarwhopper
3
nouncolloquialcountable
A big lie that is easy to see through.
Like saying the dog ate your homework: but ten times bigger.
He told a whacker about being late because aliens landed on the highway.
That excuse was a total whacker and nobody believed it.
Similarwhopper
Note
4
nounslangcountable
An amateur radio fan who is very keen on emergencies and may travel to where they happen.
Like a fan who follows fire trucks just to watch the action.
A whacker drove three hours to help with radio calls after the flood.
Every storm, the local whacker shows up with his gear and antenna.
Note

Practice

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Origin

It comes from the word "whack" plus the ending "-er".