Cockwaft
A mocking tone of expression, meaning to waft ones penis, thus displacing knob-cheesey air or Cockwind, in the general direction of a twat, mainly used after another persons cock-up or mistake.
Dude 1: 'Oh no I've just emailed that abusive message about the bosses wife to my boss!'
Dude 2: 'LOL, Ha Ha Ha Cockwaft!'
Dude 2: 'LOL, Ha Ha Ha Cockwaft!'