Put/stick the knife in

usgb
verb

To hurt someone's feelings unexpectedly, especially, by being disloyal or treacherous.

After all I've done for her, she really put the knife in by spreading those rumors about me.
Visual representation of "put/stick the knife in" - To hurt someone's feelings unexpectedly, especially, by being disloyal or treacherous.

Often appears as...

  • put the knife in my back
  • stick the knife in deeper

Usage tips

Informal, Disapproving

Idiomatic

Definition 1 of 2
Visual representation of "put/stick the knife in"
LampPro Tip 1/3

Emotional Charge

Used when feelings are involved; it suggests betrayal has an emotional impact.

Illustration for Emotional Charge
She put the knife in by mocking my dreams in front of our friends.
LampPro Tip 2/3

Friendship's End

Often used when a friend acts disloyally, terminating the trust in a relationship.

Illustration for Friendship's End
He really stuck the knife in when he cheated with my girlfriend.
LampPro Tip 3/3

Unexpected Hurt

Implies that the hurtful act was surprising and not anticipated.

Illustration for Unexpected Hurt
I never expected her to put the knife in by revealing my secrets.
Visual representation of the word "Put/stick the knife in"

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