A jelly or Swiss roll; sponge cake rolled up with a jam or custard filling.
Instead of the customary spotted dick, Neville requested a jam roly for his birthday feast. But Mummy decided to make a steamed treacle pud and so no one was happy.
A roll your own cigarette. Often touted by consumers of aformentioned product as "chemical free" In all actuality the consumers simply cannot afford regularcigarettes.
John is smoking a roly. Maybe this will make the def long enough fot ya!