shoot down in flames
shoot (someone or something) down in flames
To bring about someone or something's failure. I thought I'd written a fine campaign speech, but my team shot it down in flames. I can't believe he shot me down in flames in front of the board of trustees!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
shoot someone down in flames
Fig. to ruin someone; to bring about someone's downfall. (See also go down in flames.) It was a bad idea, okay, but you didn't have to shoot me down in flames at the meeting. I didn't mean to shoot you down in flames.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.