Someone who sits/lays around in an extremely lazy fashion. Can be used as a noun or a verb.
We were trying to go to the party, but John was such a scloff and wouldn't get off the couch.
He smoked way too much and ended up scloffing on the bed for the rest of the night.
Is a term used to describe someone who has wound you up to the point where you can't think of a sensible insult and therefore start making up your own words.
Lapta> Lone you idiot hahaha.
Lone> Lapta you're a scloff