Set foot in/on something Definition 1 of 3Pro Tip 1/3Common Expression Used in casual and everyday situations to mean visiting or entering a place. She hasn't set foot in a grocery store with online delivery now. Pro Tip 2/3Figurative Sense Doesn't always mean literally walking; can imply presence or participation. He never sets foot in competitions, he feels so nervous. Pro Tip 3/3Exaggeration Sometimes exaggerates time to emphasize it's been long since visiting. I haven't set foot in our hometown for decades!