I reject the request, offer, or plan in question. A: "Look, just write this essay for me, and I'll do your chores for a whole week!" B: "And risk getting suspended? Yeah, no deal." A: "Can we please go to Disney Land this summer, pretty please?" B: "No deal, kids. We're going to see your grandparents in Maine, and that's final."
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.