plonk·er
noun/ˈplɒŋkə(r)/
/ˈplɑːŋkər/
(British English, slang)- a stupid person
傻子；呆子；笨蛋 - You’re a right plonker.
你真是个笨蛋。
Word Originmid 19th cent. (as a dialect word meaning ‘something large of its kind’): from the verb plonk + -er. - You’re a right plonker.