{v. phr.} To alleviate one's fatigue by sitting down during some taxing work. * /"You've been standing there for hours, Jake," John said. "Why don't you take a load off your feet?"/
TAKE A LOAD OFF ONE'S FEET
Meaning of TAKE A LOAD OFF ONE'S FEET in English
Slang English vocab. Английский сленговый словарь. 2012