トチ狂う とちくるう Also written とち狂う, とちぐるう Meanings Godan verb, Intransitive to lose one's senses; to go mad; to go off the rails to fool around; to mess around; to lark about; to romp; to frolic Kanji 狂 mad. Read as くるう. Word lists Colloquial Jinuma: Japanese Dictionary · Word lists