Top definition
Must be said in a Thick Irish accent, Used to express affection for a certain moment in time, or an event that you just witnessed take place.

Friend 1: "Haha, alright all the crew's here, let's start walking downtown."

Friend 2: "IT'S A GREAT DAAAY!"
by Gorilla Pimp January 11, 2009
Get the mug
Get a IT'S A GREAT DAAAY! mug for your fish James.