go mental

(informal)

to become very angry She'll go mental when she sees what you've done to her car!

in. go crazy; to act stupid. Another day in that history class and I know I will go mental.

Name	Pronounced	Usage
Delores	də-LAWR-is	English
NoÉMie	no-e-MEE	French
Grusha	-	Russian
Gijsbert	KHIES-bərt	Dutch
Zephyr	ZEF-ər (English)	Greek Mythology (Anglicized)
Blanka	BLAHN-kah (Czech, Slovak, Polish, Croatian), BLAWN-kaw (Hungarian)	Czech, Slovak, Polish, Hungarian, Croatian