Ar, me hearties!
Now, this don't be compulsory, like (more of a guideline, see?), but I hopes all you gentlemen (and ladies) o' fortune be planning to speak properly that day...
Now accordin' t' this 'ere com-poo-tuh, these be the chains ye need to get the lingo, and remember, do it wi' a wannion!
If ye be one o' the King's privateers, ye be needin' this site: http://www.yarr.org.uk/
An' if'n ye be from the colonies, ye need tae go t' http://www.talklikeapirate.com/