what is a roly roly slang
â¢ ROLY-POLY (noun). The noun ROLY-POLY has 2 senses: 1. a rotund individual. 2. pudding made of suet pastry spread with jam or fruit and rolled up and baked or steamed. Familiarity information: ROLY-POLY used as a noun is rare. â¢ ROLY-POLY (adjective). The adjective ROLY-POLY has 1 sense: 1. short and plump. Familiarity information: ROLY-POLY used as an adjective is very rare.