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
Nevra	-	Turkish
Woodrow	['wudrəu]
Hennie	HEN-nee	Dutch
Kym	KIM	English (Rare)
Sanne	SAHN-nə (Dutch)	Dutch, Danish
Alphonse	['aelfɔns]