half a bubble off plumb

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half a bubble off plumb

Strange; silly; crazy. Referring to the bubble inside a level. A: "She's a sweet old lady, but yeah, she's definitely half a bubble off plumb." B: "OK, yeah, I was sort of startled when she started talking to her rosebush."
See also: bubble, half, off, plumb
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

half a bubble off plumb

Fig. giddy; crazy. She is acting about half a bubble off plumb. What is wrong with her? Tom is just half a bubble off plumb, but he is all heart.
See also: bubble, half, off, plumb
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

half a bubble off plumb

phr. giddy; crazy. Tom is just half a bubble off plumb, but he is all heart.
See also: bubble, half, off, plumb
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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