plonker
Proposed by a contributor, not yet supported by evidence.
Sense 1
Meaning · English
A fool.
Register: derogatory, slang
Examples
“You kept the hat! You bloody plonker!” “Fuck me.” “And now look at you, bouncing off the cars like a bouncing idiot.” “Fucking hell!” “Is he gonna be alright?”
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 2
Meaning · English
A penis.
Register: slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 3
Meaning · English
A man who sanctions sexual relationships between his girlfriend and his male friends.
Register: dated, slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “plonker” mean?
A fool.
Is “plonker” formal or informal?
plonker is generally derogatory, slang.