あたまがおかし
Meanings
Adjective (い)
Expression
1. insane; crazy; nuts; out of one's mind
Composed of
head; hair (on one's head); mind; brains; leader; chief; top
funny; amusing; strange; odd; improper; unsuitable
Examples (4 in total)
The man must be insane.
That old man must be insane.
Many people think I'm crazy.
I may be crazy, but I'm not stupid.