and no mistake!
and no mistake
A phrase used to emphasize the statement that precedes it. She's a lovely woman and no mistake.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
and ˈno mistake!(old-fashioned, especially British English) used to show that you are sure about the truth of what you have just said: The dinner party was a disaster, and no mistake!
Farlex Partner Idioms Dictionary © Farlex 2017