be light on one's feet
• (of a person) be quick or nimble.
• "she may be plump but she is very light on her feet"
Similar:
nimble,
deft,
agile,
lithe,
limber,
lissom,
flexible,
supple,
adroit,
graceful,
acrobatic,
lively,
active,
quick,
quick-moving,
spry,
sprightly,
light-footed,
fleet-footed,
twinkle-toed,
nippy,
fleet,
lightsome,