Talk Like a Pirate Day was an event in where players could meet Club Penguin Rockhopper. It started on September 16, 2015, and ended on September 23, 2015. The event was confirmed in issue 516 of the  Club Penguin Times.
during the event
The poll from January 2015
What is a pirate's favorite dessert? Peach cobblARRRRR!
What do you get when you cross... a pirate with a zucchini? A squashbuckler!
Know any good pirate jokes? Neither do ayyyyyy!
What happened when Redbeard... fell into the Blue Sea? He got marooned!
What do pirates wear in the winter? Long Johns!
What grades did the pirate get in school? High Seas!
What did the pirate say... when he crashed on the iceberg? Shiver me timbers!
How does a pirate clean his ship? He has a Yarrrrrrrrd sale!
Names in other languages
Portuguese Dia de FalARR Como um Pirata
French Journée Parle comme un pirate
Spanish Día de hablARR como un pirata