and no mistake!

and no mistake

A phrase used to emphasize the statement that precedes it. She's a lovely woman and no mistake.
See also: and, mistake, no
Farlex Dictionary of Idioms.

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!
See also: and, no
Farlex Partner Idioms Dictionary
See also:
  • and no mistake
  • by mistake
  • mistake (someone or something) for (someone or something)
  • mistake for
  • sorry ’bout that
  • sorry about that
  • mistake
  • an honest mistake
  • turn your caps lock off
  • Turn your caps lock off!