Whacker

//ˈwækə(ɹ)// noun, slang

noun, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    One who, or something which, whacks.

    "Joe was just about the best Australian heavyweight at the time, a very tough customer in his own right. He didn't have any science, but he was a mighty whacker."

  2. 2
    something especially big or impressive of its kind wordnet
  3. 3
    Synonym of whopper (“anything large”). informal
  4. 4
    Synonym of whopper (“an outrageous or blatant lie”). informal

    ""Oh, there's a whacker!" cried East; "we haven't been within a hundred yards of his barn; we haven't been up here above ten minutes, and we've seen nothing but a tough old guinea-hen, who ran like a greyhound.""

  5. 5
    A radio amateur who is keenly interested in emergency response and may travel to the sites of emergencies. slang

Example

More examples

"The hedge clippers and weed whacker are in the garage."

Etymology

From whack + -er.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.