I’m still waiting for International Curse Like A Pirate Day.
Anyway, have fun making your coworkers wonder what the hell you’re saying.
Some info on on the day:
http://www.talklikeapirate.com/
http://www.talklikeapirateday.com/
http://en.wikipedia.org/wiki/International_Talk_Like_a_Pirate_Day
And this site has a few drinking songs pirates would drunkenly mumble along to:
http://www.drinkingsongs.net/
And if you are to lazy to talk pirate, he is a filter to change your text to pirate for you:
http://www.endeneu.com/funstuff/miguel/