lose (one's) buttons

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lose (one's) buttons

To be or become mentally deficient, incompetent, or deranged; to become of unsound mind. My poor grandmother started losing her buttons after she had a stroke on her 84th birthday. I've been so sleep deprived lately that it feels like I'm losing my buttons!

Common Names:

Name	Pronounced	Usage
Shrivatsa	-	Indian, Hindi (Rare)
Erasmus	-	Late Greek (Latinized)
Gwladus	-	Welsh
ÉTienne	e-TYEN (French), e-TSYEN (Quebec French)	French
Lara (1)	LAHR-ə (English), LAH-rah (German, Italian, Spanish, Portuguese)	Russian, English, German, French, Italian, Spanish, Portuguese, Dutch, Hungarian, Slovene, Croatian
LibuŠE	-	Czech