横行跋扈 おうこうばっこ Meanings Noun, する verb being rampant; (evildoers) roaming at will Kanji 横 sideways. Read as オウ. 行 go. Read as コウ. 跋 epilogue; postscript. Read as バツ. 扈 follow. Read as コ. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists