plonker

British

/ ˈplɒŋkə /

noun

slang a stupid person

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of plonker

C20: from _plonk ¹

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

After being banished, Fiona admitted she didn't think Rachel had been lying about Amanda after all, and called herself a "plonker".

From BBC • Jan. 23, 2026

“He made himself look a bit of a plonker, I think,” Burns said.

From The Wall Street Journal • Jan. 19, 2026

"I thought I was being really clever, but I probably looked a bit of a plonker!"

From BBC • Feb. 6, 2025

I work with my brother and best mates, but I wouldn’t give any old plonker a job.

From The Guardian • Jan. 27, 2018

You don't see the term "plonker" enough these days.

From Golf Digest • Oct. 6, 2017

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023