cheeky yam

plural cheeky yams

1. Synonym of air potato.

   Although cheeky yam was an important food for Aboriginal people within parts of northern Australia in the recent past, macroscopic remains of this USO have not been found in archaeological contexts.

   2016, Robin Torrence, Ancient Starch Research, Routledge

   1 more example

   Occasionally they were given a change of diet with 'cheeky' yams. When I first heard John and the natives talking about them I asked why they were called 'cheeky'. “Try one and then you'll know,” John said, handing me a piece.

   1962, Nancy Polishuk, Four Against the River, Dutton, →OCLC, page 85

   Synonyms: air potato