clunker
From Longman Dictionary of Contemporary EnglishRelated topics: Motor vehiclesclunkerclunk‧er /ˈklʌŋkə $ -ər/ noun [countable] American English informal 1 TTCOLD/NOT NEWan old car or other machine that does not work well2 something that is completely unsuccessful because people think it is stupid or wrongExamples from the Corpusclunker• Studio executives should have put Jonathan Winters in a good show, not a clunker like this.• It isn't a solitary clunker that produced a 103-85 loss to the Miami Heat that is offensive.• It is also filled with unintentional clunkers that elicited inappropriate but inevitable laughs in this reviewer's living room.