lose all one’s marbles

lose (all) one’s marbles

tv. to become crazy. (see also have all one’s marbles.) Have you lost all your marbles?

Name	Pronounced	Usage
Pankaj	-	Indian, Hindi, Marathi, Gujarati, Bengali, Punjabi, Nepali
Lyda	-	English (Rare)
NgẢI	-	Vietnamese
Brunson	['bru:nsn]
Tanner	TAN-ər	English
Hourig	-	Armenian