no you don't

US /noʊ ju doʊnt/
UK /noʊ ju doʊnt/
"no you don't" picture
1.

used to express disagreement or disbelief, often playfully or emphatically, when someone states an intention or belief

:
I'm going to eat all the cookies! — No you don't!
I think I'll just leave early today. — No you don't, we have a meeting in five minutes.