stretch one’s legs

stretch (one's) legs

To stand or walk to help relieve stiffness in one's legs, usually from sitting for a prolonged period of time. Let's stop off at this rest area for a while. After three hours of driving, I'm sure everyone would like to stretch their legs a bit.
See also: leg, stretch
Farlex Dictionary of Idioms.

stretch one’s legs

tv. to stand up and perhaps walk about. I need to get out of here and stretch my legs for a while.
See also: leg, stretch
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • stretch (one's) legs
  • stretch legs
  • stretch one's legs
  • stretch your legs
  • lay off the bottle
  • O-sign
  • the O-sign
  • go through hell
  • collect dust
  • catch dust