I think the theme should be Pirates vs. Ninjas.
Everyone attending has to dress as /either/ a PIRATE /or/ a NINJA. There is to be NO conversing about who's coming dresssed as what. Then on the day whichever lot has more people (that is if there are more PIRATES than NINJAS or more NINJAS than PIRATES) gets to make the other lot (PIRATES or NINJAS) buy them beer.
Failing that I suggest a Hello Kitty theme. I'll be the humiliated one in the corner.
I (heart) poirates.
(fail)
I was dressed as a pirate on Sunday. Admittedly my costume was not as elaborate as some of my friends but I was a pirate none the less.
This also reminds me that I need to get my Ninja suit back from my friend!
Heeiii-yarrr!
I say a tentative yes for that assuming nothing urgent pops up then.
Pirate wise, I remember feeling very jealous of one of my mates a few months back. He works for Odeon cinemas and was actually asked to spend the day dressed up as a pirate when the last Pirates of the Caribbean film came out. Yes. He spent a day at work as a pirate and got paid for it too. Git. :(