have all one's marbles

have all (one's) marbles

To be mentally sound or stable. Now that I've gotten a good night's sleep, I'm starting to feel like I have all my marbles again. Grandma still has all her marbles, in spite of her other health problems.
See also: all, have, marble
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

have all one’s marbles

tv. to have all one’s mental faculties; to be mentally sound. (see also lose (all) one’s marbles. Have got can replace have.) I don’t think he has all his marbles.
See also: all, have, marble
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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