Definition of thongs:
(n) :
(UK, US) An item of clothing, usually an undergarment or swimwear consisting of very narrow strips designed to cover just the genitals and nothing more.
(n) :
(usually in the plural, Australia) An item of footwear, usually of rubber, secured by two straps which join to pass between the big toe and its neighbour.
(n) :
A narrow strip of material, typically leather, used to fasten, bind, or secure objects.
(n) :
The largest section of a bullwhip constructed of many straps of braided leather.
(n) :
A surname.