凸する

とつするtotsusuru

suru verb · intransitive

  1. to charge
  2. to rush
  3. to assault
  4. to attack
  5. to flood a company, organization etc. with phone complaints (usu. loosely organized on anonymous online message boards)

Kanji in this word

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences