another nail in (one's) coffin(redirected from another nail in their coffins)
another nail in (one's) coffin
Another negative event that contributes to one's downfall or to something's failure. Aw man, our rival's new product just came out to rave reviews. There's another nail in our coffin. If my parents find out that I failed my exam, it will be another nail in my coffin, and they may never let me go out again! A: "Oh, and he was cheating on me too." B: "Wow, another nail in his coffin! I don't want anything to do with this loser anymore."
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