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plonker

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plonker (noun)

plonker /ˈplɑːŋkɚ/ noun

plural plonkers

plonker

/ˈplɑːŋkɚ/

noun

plural plonkers

Britannica Dictionary definition of PLONKER

[count] British, informal

: a stupid person

He was acting like a complete/total plonker.

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