shanks' mare
US /ˈʃæŋks mɛr/
UK /ˈʃæŋks mɛr/
1.
one's own legs as a means of transport; on foot
:
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Since the car broke down, we had to rely on shanks' mare to get to the nearest town.
•
It's a nice day for a walk, so let's take shanks' mare instead of the bus.