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.
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. informalFarlex 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.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.