Swift, light punch to the centre of the face. Quick as you can, barely move apart from your arm, carry on walking as if nothing happened.

Sky television sellers in shopping centres are the worst.
They have to be the most annoying of all.
I had a Sky salesman ask me once if I wanted to upgrade to Sky, I told him that I already have it so the cheeky git asked if I fancied taking out another contract

Sub human scum.