Definition of rolly:
(adj) :
(informal, not comparable) Rolling; having the ability to roll, usually due to wheels attached on the bottom.
(adj) :
(nautical, of the sea, comparable) Rough, turbulent, characterized by large or rapid waves.
(n) :
A diminutive of the male given name Roland.
(n) :
(slang, chiefly UK) Alternative form of rollie (“cigarette rolled by hand”). [(slang, chiefly UK) A cigarette rolled by hand.]
(n) :
(mining, historical) Alternative form of rolley (“horse-drawn wheeled vehicle used in a mine”). [(mining, historical) A horse-drawn wheeled vehicle used in a mine.]