well I meant that she went around wrecking stuff as a teenager and drives a stupid loud exhaust car and doesnt have a job. I'd typically say knacker, but trying to be a bit more pc....I'm very inclined towards Penneys and Lidl myself!
Afaik, SÃofra means a changeling. That the fairies have taken your baby and left you with one of theirs so they can spy on your family. It's alll abit EastEnders but with a happier ending....
So technically, yes a bad fairy....though not an image I'd want to think of my newborn as.