Definitions

lose one's marbles

VERB

lose one's mind

Synonyms

WEAK

crack up flip flip out go bananas go insane go nuts lose one's reason lose one's senses lose one's wits

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It is human to lose your cool; taking pride in it is to lose one’s marbles.

From Washington Post