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Verb: lash out  lash-awt
  1. Aggressively challenge in speech or writing
    - attack, round, assail, snipe, assault
  2. [Brit, informal] Spend money extravagantly, esp. to indulge oneself
    "I lashed out on a new TV";
    - splurge [informal], lash [Brit, informal], splash out [Brit, informal]

Derived forms: lashes out, lashing out, lashed out

Type of: consume, criticise [Brit], criticize, damn [informal], knock [informal], pick apart, squander, ware [archaic], waste