What does “Estar con una pata en el estribo” mean in Costa Rica?

To be about to leave.

Word for word: To have one foot in the stirrup.

How to say it

es·tar con u·na pa·ta en el es·tri·bo

Try it yourself

Tap the word to hear it in a Costa Rican voice. Press and hold it to say it and get a score out of 100.