welsh on a/the deal(redirected from one welshes on a deal)
welsh on a/the deal
It is not certain if this phrase directly relates to the term "Welsh," meaning of or from Wales, but it may be considered offensive by Welsh people nonetheless.
1. To fail to do what one has promised, agreed upon, or committed to. We negotiated in good faith, never dreaming that the other side would welsh on the deal. You're never going to make it in this industry if you just welsh on a deal like this.
2. To fail to provide someone what they are owed or what has been promised, committed to, or agreed upon. If you think you can welsh on a deal and get away with it, you've got another think coming. The CEO welshed on the deal and fled the country with nearly $3.5 million of his investors' money.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.