"I say, my good fellow - do you happen to have a length of hemp about your person?"

Tim Worstall - a wonderful fellow from across the pond - has A short message to Members of Parliament:

Stop whining you ghastly, miserable, s***s. Or you’ll find out that those lamp posts on Westminster Bridge can be used for more than just illumination.

Which is, unless I'm mistaken, is the King's English equivalent for one of our quaint American colloquialisms:

Rope.