Well, more like you put your feet up on a footstool (a low padded block specifically designed for putting your feet upon) while sitting in your favourite armchair in front of a cozy fire at the end of a hard day….

As in that boy literally raised his leg up 🦵 

I didn’t know it has an idiomatic meaning. Today I learnt! Haha

cryotosensei

BooksAndArticles

Fighting the Daily Grind #3

If they are chilled enough to ‘put their feet up’ they aren’t being worked hard enough lol.

(Not sure if that works for your culture but ‘putting your feet up’ means to relax or unwind.)