(of a person) having a round, plump appearance:a roly-poly young boy
noun
1 (also roly-poly pudding) [mass noun]British a pudding made of a sheet of suet pastry covered with jam or fruit, formed into a roll, and steamed or baked:a nice bit of jam roly-poly
2Australian a bushy tumbleweed.
Several species, in particular a saltwort (Salsola kali, family Chenopodiaceae) which is able to grow away from saline habitats
Origin:
early 17th century: fanciful formation from the verb roll
roly-poly in other Oxford dictionaries
Definition of roly-poly in the US English dictionary