a person or thing that corks.
Informal. something that closes a discussion or settles a question.
Informal. someone or something that is astonishing or excellent.

1715–25; cork + -er1; defs. 2–3 of unclear relation to def. 1 and perhaps of distinct orig. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To corker
World English Dictionary
corker (ˈkɔːkə)
1.  slang
 a.  something or somebody striking or outstanding: that was a corker of a joke
 b.  an irrefutable remark that puts an end to discussion
2.  a person or machine that inserts corks

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Word Origin & History

1837, slang, something that "settles" a debate, discussion, conflict, etc.; hence "something astonishing" (1880s). Probably the notion is of putting a cork in a bottle.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Example sentences
Corker is speaking this morning, and we'll update here with his comments.
The monarch is a corker, and he commands almost all the attention.
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature