to think on one's feet
01
to think and react quickly to something without prior thought
![to [think] on {one's} feet definition and meaning](https://cdn.langeek.co/photo/44166/original/?type=jpeg "to [think] on {one's} feet definition and meaning")
Idiom
Informal
Exempel
During the debate, he had to think on his feet to respond to his opponent's unexpected arguments.
to think and react quickly to something without prior thought
IdiomInformal
