No can do!

no can do

I can't do that; that cannot be done; that's not possible. A: "I need the keys into the storage closet." B: "No can do. I'm under strict orders not to lend them to anyone until we figure out who's been stealing supplies." A: "Why don't we just reset the servers?" B: "No can do! We have so much connected to the live servers that resetting them would cause a system-wide meltdown."
See also: can, no
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

No can do!

sent. It can’t be done.; I can’t do it. Lend you $200? No can do!
See also: can, no
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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