speedos noun[usually plural]1 •A men′s tight fitting brief swimsuit.I remember my mother standing exasperated in the rain with the brolly over her head at dusk while I frog-kicked around in my speedos. — 2000
Speedos noun1 •A tight-fitting brief or bikini style swimsuit.She called down from upstairs, "He'll be out in a minute: he's just putting his Speedos on."
