not all there

not all there

Fig. not mentally adequate; crazy or silly. Sometimes I think you're not all there. Be nice to Sally. She's not all there.
See also: all, not, there
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

not all there

not in full possession of your mental faculties. informal
See also: all, not, there
Farlex Partner Idioms Dictionary © Farlex 2017

not all there

mod. crazy; stupid acting. You can’t depend on Paul for much help. He’s really not all there.
See also: all, not, there
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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