no can do
INFORMAL
This page is about the conversational phrase no can do
Meaning
This is a humorous or light-hearted way of saying you can't do something.
For example
- "How about a couple more beers over here?"
"Sorry, mate. No can do. The bar's closed." - "Let's go out for lunch."
"No can do, I'm afraid - too much to do."
Contributor: Matt Errey