impudent russian

• на́гло

  impertinently, impudently

• бесцеремо́нный

  unceremonious, offhand, familiar, forward, unmannerly, impudent, too free

• бессо́вестный

  unscrupulous, dishonest, shameless, impudent, barefaced, brazen

• наха́л

  impudent guy

• бессты́жий

  shameless, impudent, brazen, insolent

• нагле́ц

  impudent/insolent person

• нескро́мный

  immodest, not modest, indelicate, indiscreet, impudent

• беззасте́нчивый

  shameless, impudent, unblushing

• нагловаты́й

  impertinently, impudently

• нахра́пистый

  cheeky, impudent

• наха́лка

  impudent woman

• офиге́ть

  (to be) very surprised / flabbergasted, gobsmacked

  freaking, fricking, impudent, brazen

• фигеть

  (to be) very surprised / flabbergasted, gobsmacked

  freaking, fricking, impudent, brazen

Examples

• Э́то была́ де́рзость с его стороны.It was impudent of him.
• Бессты́жая потаску́ха!Impudent strumpet!