What is Slag-troll?
1.
A generally cheeky person with slaggish tendancies. An exceptional example is Olive, of the extra virgin variety of course.
Jen: let's go out!!!
Olive: well maybe when i've prtended to work for half an hour then had phone sex for 3.
Jen: You're a slag-troll.
Olive: I know, let's get pissed.