Noun
Speedos (plural Speedos)
(Australia) 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."
Synonyms: see Thesaurus:swim briefs
Speedos
(US) plural of Speedo
She always had two spare Speedos for her swimming competitions away from home.
I've never been one to run around in Speedos on the beach. Jason Statham