Like hell!

like hell

1. An intensifier used when one puts forth great effort to do something. I'm planning to fight like hell against this illness, so I'm researching both Western and Eastern methods of treatment.
2. A phrase used to convey one's impassioned denial, refusal, or rejection of something. A: "I don't care what you say, Mom—I'm going to that party!" B: "Like hell you are!"
See also: hell, like
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

Like hell!

exclam. That is not true!; I do not believe you! (Use caution with hell.) You’re going to a Dead concert! Like hell!
See also: like
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
See also: