addlebrained

adj. (of a person) slow-witted, stupid and confused, illogical

Adjective
1. stupid and confused; used especially of persons; "blathering like the addlepated nincompoop that you are"; "a confused puddingheaded, muddleheaded fellow"- Isaac Sterne
(synonym) addlepated, potty, puddingheaded, muddleheaded
(similar) confused

ks. tak karuan, kacau, berkepala udang. He's a. Ia buntu pikiran