1. to go mad, to lose one's mind, to go crazy, to go insane

Godan verb with 'u' ending intransitive verb

2. to get out of order, to go amiss, to malfunction, to become imprecise

Godan verb with 'u' ending intransitive verb

3. to go wrong (of a plan or expectation, etc.), to fall through, to get mixed up

Godan verb with 'u' ending intransitive verb

4. to go crazy (over someone or something), to get enthusiastic, to go wild

Godan verb with 'u' ending intransitive verb