Can be used as a noun or a verb. As an adjective it is 'scaffy'.
Noun: "Haw you, ya scaff!"
Adjective: "That's pure scaffy, stealin' a wee boy's bike."
(1)a person whose appearance is down-at-heel possibly wearing a tracksuit and/or brightly coloured baseball cap at a ridiculously steep angle.
(2) A friendly informal name between friends.
(3) A person who attempts to obtain an item for free or at a discount.
(1)to do very little.
(2)to obtain something by subterfuge or for free.
Scaffy - To resemble a scaff.
Example of usage(3):"Naw, ah'm no buying ye a fuckin mars bar, ya scaff"
Example of verb (1) : "Ah jist scaffed about in the house aw day"
Example of verb usage (2): "Ah pure scaffed a mars bar aff him"
Scaffy : "Ah've no shaved and ah jist flung these auld trackies oan - I look pure scaffy."