put the finger on


Inform on, as in The witness put the finger on the defendant. [Slang; c. 1920] Also see put one's finger on.

Words Nearby put the finger on

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.