You should have personalised it
"You! Grey hair, blue suit, brown satchel! Why aren't you moving down the carriage, you inconsiderate cunt? Don't smirk, Miss sensible brown business suit and blue-framed glasses - you could move too but you don't give a shit for anyone but yourself."

It'd work in Birmingham, where people have both empathy and shame; worth a try in London, at any rate.
( The Light in Chains don't touch the Pope's boner, Tue 22 Feb 2011, 21:12, Reply)