think on one's feet

think on (one's) feet

To be able to think clearly in times of stress, especially when forming a solution to a pressing problem. Thank goodness you were able to think on your feet and find another way to stop the pipe from leaking. The whole basement would have flooded otherwise.
See also: feet, on, think
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

think on one's feet

React quickly, be mentally agile, as in Reporters bombarded him with difficult questions, but Bill was very good at thinking on his feet . This expression uses on one's feet in the sense of "wide awake, alertly." [First half of 1900s]
See also: feet, on, think
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
See also: