A modern classic: Tobias Wolf's Bullet in the Brain (just 4 pages). It begins
Anders couldn’t get to the bank until just before it closed, so of course the line was endless and he got stuck behind two women whose loud, stupid conversation put him in a murderous temper. He was never in the best of tempers anyway, Anders – a book critic known for the weary, elegant savagery with which he dispatched almost everything he reviewed. ..