From my wife via email:

Krispy Kreme: Get a free doughtnut or free dozen doughnuts Sept. 19 ‘Talk Like a Pirate Date’

Get a free doughnut if you talk like a pirate at a location.

Get a free dozen donuts if you dress in full pirate attire.

Go here to see the promo.

No purchase required.

How to talk like a pirate:

Ahoy Matey!

Blow me down!

Heave ho

Landlubber

Sea Dog

Thar she blows

Yo Ho Ho

Offer valid Sept. 19 only at participating locations.  Go here to find one in your area and give them a call.