Normally i'd see a 2 coming a mile off but I have never been flashed at before and today all I saw was the flash and by the time I realised what had just happened the Black Mk2 was in my rear view mirror. 
Typical!!
I do believe it was partly Black Label Society's fault as I was indulging in some new ear candy and not paying attention to other road users.
So I offer my apologies for not flashing back, and i'll be sure to flash every black Mk2 I see over the next 10 years as punishment for my ignorance.
If it's any consolation my gf gave me a telling off.
