(idiomatic) to have a combination of intelligence and athleticism

(figuratively) to be weak and shaky on one's legs; to be jelly-legged

(idiomatic) to stretch one's legs

(figuratively, intransitive) to take to one's heels, to run for one's life

(figuratively, informal) horizontal dancing, a roll in the hay

as fast as one's legs could carry one, at full speed, as quick as one can

(figuratively) to have pins and needles in one's legs

plural of jambette

(obsolete) penknife / (Quebec) act of tripping

with one's tail between one's legs