Meanings
From the sport of boxing, referring to fighter who is too stunned to fight effectively, but who does not collapse to the canvas.
How to pronounce "out on one's feet":
AU
Standing erect but not consciously aware of one's surroundings, or only minimally aware, and having little or no ability to control one's bodily actions, as a result of physical injury or exhaustion.
Stupefied; dazed; nonfunctional.
