Take the weight off your feet
Definition 1 of 1
Pro Tip 1/3Colloquial Use
The phrase is casual and used in everyday conversation among friends or family. 
After our long walk, my mom said, 'Let's take the weight off our feet.'
Pro Tip 2/3Not Literal
It's an idiom, meaning the action isn't about actual weight, but about resting. 
Shopping for hours, I needed to take the weight off my feet at the cafe.
Pro Tip 3/3Hospitality Gesture
It's often used to offer someone a seat in a polite and friendly manner. 
When I entered the house, Grandma said, 'Come in, take the weight off your feet.'