SWG

an acronym for "skin wouldn't graft", a very lazy person perceived to be so bone idle even his skin isn't working

look at alex over there, another fine example of SWG, off for yet another drink when there's calls waiting, man he is so lazy his skin wouldn't graft

Shat the Diff

A catastrophic failure of a car's transmission in which the differential collapses damaging the transmission and the vehicle loses drive , also leaving a trail of oil where it's been

i couldn't pick up droo, fash and professor layton as me astra had broke down, it shat the diff and left a trail of oil like the amoco cadiz along the road, darn diff!

urban legend

a person who has been mentioned several times in urban dictionary hence becoming an urban legend

fash is claiming to be an urban legend as he's a super soaking, shat the diffing, king harolding, sb'ing, porridge stirring sort of dude