Possible Clues:

• Sailor with a skull-and-crossbones flag
• No good at sea, I'm up to a little over 3mph?
• Many an 'Our Flag Means Death' character
• One may say "Shiver me timbers!"
• Constant speed of bandit at sea?
• Detective and judge working overseas for Grace O'Malley at the helm
• Talk foolishly about current danger on the seas
• Talk about current lawbreaker at sea
• Silver, say, provided by Irish tucking into hors d’oeuvre
• Talk foolishly about one copyright infringer