An emphatic affirmative response. It's your Broadway debut—damn straight I'll be there! A: "Are you excited?" B: "Damn straight!"
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
exclam. You are absolutely right!; Yes!; Right on! Am I mad? Damn straight!
See also: damn
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
Absolutely right. An impolite but frequently used phrase, John Lescroart had it in The Hunt Club (2009), “‘I should have told you. I’m sorry’—‘Damn straight you fucked up.’”
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer