とつ 凸する Show inflections LinksSentence search for 凸するSentence search for とつするKanji details for 凸Edit in JMdict Suru verb - included, Intransitive verb1. to charge; to rush; to assault; to attackInternet slang, See also 凸るSuru verb - included, Intransitive verb2. to flood a company, organization etc. with phone complaints (usu. loosely organized on anonymous online message boards)Internet slang, See also 凸る Discussions Log in to talk about this word.