ain't got a grain of sense

ain't got a grain of sense

Is very foolish or lacking common sense. Jimmy almost crossed the street without looking up from his cell phone. He ain't got a grain of sense!
See also: grain, of, sense
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

ain't got a grain of sense

 and ain't got a lick of sense
Rur. is or are foolish. Mary spends money like there's no tomorrow. She sure ain't got a grain of sense. I wouldn't trust Jim to take care of my kids. He ain't got a lick of sense.
See also: grain, of, sense
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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