(that's not a euphemism)
who has a tatoo on the back of his neck that reads:
Not pumping iron. Or even pumpin' iron. No. pumpin iron.
He's a small man but he looks vaguely psychopathic.
a) use a biro to scrawl a 'k' between the P & the I
b) just start swinging at him
c) try not to make eye contact with him and pick up a tango-stained copy of the London Lite from the floor and spend the entire journey in silence