sharp-tongued russian

• зуба́стый

  large-toothed, with large teeth, sharp-tongued, biting

• прико́льный

  cool, awesome, great

  funny, amusing, odd

  sharp-tongued, with a double meaning

  mooring-post (attr.), stake (attr.)

• остросло́вящий

  witty, sharp-tongued, jocular

• подве́шенный

  suspended, hung, hanging

  quick-witted, sharp-tongued, eloquent, glib

• злоязы́чие

  slander, backbiting, malicious talk, sharp-tonguedness

  gossip, tittle-tattle, rumour-mongering

Examples

• Моя сестра очень языкастая, всегда ответит.

  My sister is very sharp-tongued; she always has a retort ready.

• С такими языкастыми девушками лучше не спорить.

  It's better not to argue with such sharp-tongued girls.