Put your feet up is to sit back and relax. Put your foot down is to put an end to a situation. Ex.: He was really exhausted and had to go put his feet up. Time to put up my feet and get some rest. He had planned to go skiing on his own in March but his wife decided to put her foot down.

put your feet up = put your feet on something while you sit (in a chair) figuratively: put your feet up = relax, rest, make yourself comfortable You're sitting in a chair, and you put your feet on a nearby table -- that's (literally) putting your feet up. http://www.english-test.net/forum/ftopic15528.html ...................................................................... Put your foot down : - to use your authority to stop something happening - When someone puts their foot down, they make a firm stand and establish their authority on an issue. Example : When she started borrowing my clothes without asking, I had to put my foot down. http://dictionary.cambridge.org/dictionary/british/put-your-foot-down

What do these terms mean?