Man, I've been so angry at times that I've fantasised about doing all sorts of things, such as
(1)sharpening the alu lever on my Zefal frame pump to puncture car tyres, (2) carrying a pocket pull of 1/2" steel balls to biff at car indows, and (3) flying into the driver's side window like Superman at 50kmh, with both fists clenched, hoping to smash up the driver's head