Definition of plonker noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈplɒŋkə(r)//
; NAmE NAmE//ˈplɑːŋkər//
(British English, slang) Stupid
jump to other results
a stupid person You’re a right plonker. See related entries: Stupid Word Origin mid 19th cent. (as a dialect word meaning ‘something large of its kind’): from the verb plonk + -er.