Free from restrictions or obligations; able to go wherever you want and do whatever you please.
Compound of 'foot' and 'loose,' literally meaning free to move on your feet without restraint. Popularized by the 1984 film of the same name, though the phrase existed earlier meaning unattached or carefree.
The famous 1984 movie 'Footloose' actually brought an older phrase roaring back into popular culture—people still use it today without realizing it's at least 100 years older than the film.
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