狂くるう

1. 1to go mad ; to lose one's mind ; to go crazy ; to go insane
2. 2to get out of order ; to go amiss ; to malfunction ; to become imprecise
3. 3to go wrong (of a plan or expectation, etc.) ; to fall through ; to get mixed up
4. 4to go crazy (over someone or something) ; to get enthusiastic ; to go wild

JMdict entry 1237510 · frequency rank 29. Source and licence.