יש ל־ ג׳וק בראש
Hebrew
Etymology
Literally "there is [= to have] a cockroach in one's head".
Phrase
יש ל־ ג׳וק בראש • (yesh l- júk ba-rosh)
- (idiomatic, colloquial) to go crazy
- יש לו ג׳וק בראש. ― Yesh lo júk ba-rosh. ― He's gone crazy.