Pillock

noun, slang

noun, slang ·Moderate ·High school level

Definitions

Noun
  1. 1
    A stupid or annoying person; a simpleton; a fool. Commonwealth, Ireland, UK, derogatory, slang

    "What is it now, you great pillock?"

  2. 2
    a person who is not very bright wordnet

Synonyms

All synonyms
stupidairheadassweedblitherboneheadbooby

Example

More examples

"What is it now, you great pillock?"

Etymology

In the middle of the 16th century, the meaning was "penis". Probably from pillicock (“penis; boy, man”), presumably akin to the slang term dickhead (“inept fool”). Alternatively, from the same basis as pillicock (compare regional Norwegian pill (“penis”)) + the diminutive suffix -ock.

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