put the knife in

(redirected from stick the knife in)

put/stick the knife in

  (British & Australian informal)
to do or say something unpleasant to someone in an unkind way 'No one in the office likes you, you know, Tim', she said, putting the knife in. The reviewer from The Times really stuck the knife in, calling it the worst play he'd seen in years.
See also: knife, put
References in periodicals archive ?
She told me she needs it because she was raped by a boy on her way back from school and if she ever sees him again she says she is going to stick the knife in him.
I know knives are bad and I want to tell someone but if she know I grassed, she might stick the knife in me instead.