look daggers at somebody
look daggers at (one)
To glare at someone very angrily, spitefully, or disdainfully. I noticed the bride looking daggers at the best man as he started making vulgar jokes during his speech.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
look ˈdaggers at somebodylook at somebody very angrily but not say anything: He looked daggers at her across the room when she mentioned his divorce.
Farlex Partner Idioms Dictionary © Farlex 2017