you can/can't talk

you can talk

You are guilty of the same thing you have just criticized. A: "Kathy never pays attention in class." B: "You can talk! Just today I saw you reading a magazine during the lecture."
See also: can, talk
Farlex Dictionary of Idioms.

ˈyou can/can’t talk

(also look who’s ˈtalking, you’re a ˈfine one to talk) (spoken) you should not criticize somebody because you are also guilty of the same fault: ‘He’s always late for appointments.’ ‘You can talk! You’re hardly ever on time yourself.’ ‘George is so careless with money.’ ‘Look who’s talking!’
See also: can, talk
Farlex Partner Idioms Dictionary
See also:
  • you can talk
  • you should talk
  • you're a fine one to talk
  • Look who’s talking!
  • look who's talking
  • Look who's talking!
  • pot calling the kettle black, the
  • hark who's talking
  • pay(s) your money and take(s) your choice, you
  • pay tribute to