But did pirates really "arr" and "avast" all the time? Probably not, experts say, though it's tough to say exactly how most so-called Golden Age pirates really talked.

"There isn't much in the way of scientific evidence in regards to pirate speech," said historian Colin Woodard, author of The Republic of Pirates: Being the True and Surprising Story of the Caribbean Pirates and the Man Who Brought Them Down.

There are no audio recordings of pirate speech, after all. And witnesses are known to have written down only a small set of quotes of pirate phrases, Woodard said via email.

There is also "almost nothing written by pirates themselves, with the exception of educated people who 'went pirate' and, therefore, probably