Usage. Used only in the plural form, budgie smugglers.
2006: and who could forget his exhibitionism when he stepped out of the sea this week in a pair of swimmers referred to universally as budgie-smugglers. — Daniel Hoare, Australian Broadcasting Commission, The World Today program, 24 November 2006, reporting on the Victorian state election (and see SMH of Baillieu in the garment in question).