kalleşlik

  1. treachery
  2. infraction of faith
  3. dirty work
  4. backstabbing
to play someone a dirty trick Verb
to leave someone in the lurch Verb
to stab someone in the back Verb
to rat Verb

Turkish Dictionary (Kubbealti Turkish Dictionary)

  1. Kalleş olma ... yüzlülük, hîlekârlık