fpmsl
I've had similar. A guy in our local was chatting to me about cars and said he had an "X ARGHH Freee Eye bruv all chipped up to free undred brake"
Had another 17 year old knobber with a Corsa tell me he had whooped SCC's demo car. I thought to myself I couldn't see Rob wasting his time racing a Corsa (especially not a Max Poo style one). Then he starts talking about this black RS Turbo with sunstrip. It then dawned on me the prick was claiming a race win against my car

His face dropped when I told him I owned said car.
His engine spec was enough to make me quake Corsa 1.4 with a filter and a pair of the most tacky exhausts you have ever seen
Every pub has it's twats mate. I tend not to bother chatting cars in the pub as you always come across a prick who knows "loads bout mota's"