polemic
critic
Devil's advocate
Dialectic
Disputation
Internet troll
Irenicism
Philippic
Rhetoric
Social gadfly
Trash-talk
/suto3/google.iconpolemic
/suto3/Google画像検索.iconpolemic
/suto3/Google定義検索.icon polemic
/suto3/wikipedia.iconpolemic
/suto3/weblio.icon polemic
/suto3/kotobank.icon polemic
/suto3/jisho.icon polemic