A prolonged version of the word spliff. But with the Noun Rollie extending this word it obviously must contain Tobacco alongside the usual weed contents.
Friend1: Oli my bro, wanna go for a Fookin spliffarollies on toys'r'us car park roofs mateeeeee!
Friend2: Fookin Right! gowan then mateeeeee i'll be theres soonnnn.