From Longman Dictionary of Contemporary Englishthink on your feetthink on your feetPREPAREto think of ideas and make decisions very quickly In this job you need to be able to think on your feet. → think
Examples from the Corpus
think on your feet• I've always been good at thinking on my feet.• She clasped them and tried to think on her feet.• She had to use a lot of initiative and think on her feet.• Stay alert and think on your feet.• You must not be afraid of thinking on your feet and adding good ideas that occur to you as you speak.• This will probably be to see if you can think on your feet and react well under stress.• Industry today needs workers who can think on their feet and relearn their jobs constantly.• Their ability to think on their feet impressed the boss.• He can think on his feet quicker than anyone I've ever met. 