clink ‧ er /ˈklɪŋkə $ -ər/ BrE AmE noun
[ Sense 1: Date: 1600-1700 ; Origin: klincard type of brick (1600-1700) , from Dutch klinkaard ]
[ Sense 2-3: Date: 1900-2000 ; Origin: ⇨ ↑ clink 1 ]
1 . [uncountable and countable] the hard material like rocks, which is left after coal has been burnt
2 . [countable] American English a bad note in a musical performance:
The singer hit a real clinker.
3 . [countable] American English informal something or someone that is a total failure:
Most of the songs are good, but there are a few clinkers.