突撃とつげき Noun Irregular Intransitive English jmdict 1 noun (common) (futsuumeishi) noun or participle which takes the aux. verb suru intransitive verb charge;rush;dash;assault;attack
電話突撃でんわとつげき Noun English jmdict 1 noun (common) (futsuumeishi) Internet slang flooding a company, organization etc. with phone complaints (usu. loosely organized on anonymous online message boards)