Visual meaning of 'whacker'? - learn with images, example in daily life

Visual illustration of whacker: One who, or something which, whacks.

noun

One who, or something which, whacks.

"The automatic fly swatter, a relentless whacker, kept the picnic table free of pesky insects. "

action person thing

Visual illustration of whacker: Anything large; a whopper.

noun

Anything large; a whopper.

""My dad caught a real whacker of a fish on our fishing trip!" "