your boss is a tit

[Rectalprobe]

http://wack-your-boss.freeonlinegames.com/

if you ever feel angry at your boss

[General Porkov]

Disclaimer: :-p
Please do not try any of the stuff you see at WhackYourBoss.com on your colleague/ boss/ supervisor/ tutor in real life, even if you really do hate the person or you think he/ she's a complete jerk.

Otherwise, you may be liable to any of the following:
Summary dismissal/ expulsion (for students) due to gross misconduct, prison time for murder/ manslaughter and even deportation for those who come from outside the UK.

Doom Lord General Porko Porkov
Grand Dumby of Doom!