corker

American  

[kawr-ker] / ˈkɔr kər /

noun

1. a person or thing that corks.

2. Informal. something that closes a discussion or settles a question.

3. Informal. someone or something that is astonishing or excellent.

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corker British  

/ ˈkɔːkə /

noun

1. slang

   1. something or somebody striking or outstanding

      that was a corker of a joke

   2. an irrefutable remark that puts an end to discussion

2. a person or machine that inserts corks

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Etymology

Origin of corker

First recorded in 1715–25; cork + -er ¹; corker defs. 2, 3 of unclear relation to corker def. 1 and perhaps of distinct origin