To relax and rest one's feet, especially by sitting down. (Usually said as a suggestion.) You've been busy around the house all day. Go ahead and get a load off your feet for a while, and I'll fix dinner for tonight.
get a load off one’s feet
and take a load off one’s feet
tv. to sit down and relax. Sit down and get a load off your feet. I need to relax somewhere and take a load off my feet.