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
Verissimus	-	Late Roman
Lorin	-	English
Annalisa	-	Italian
Beatrice	be-ah-TREE-che (Italian), BEE-ə-tris (English), BEE-tris (English), BE-ah-trees (Swedish), be-ah-TREES (Swedish)	Italian, English, Swedish
Chantelle	shawn-TEL, shan-TEL	English
Grozdana	-	Bulgarian, Macedonian, Croatian