We use the word "blah" to refer to something boring or without apparent meaning.
It can also refer to a depressed state of mind. Mostly it means dull and unexciting. It is a substitute for words in actual contextual speech as a substitute for the tedious or lengthy reality.
Today is Blah Blah Blah Day. It occurs each April 17 and is supposed to be a lighthearted vehicle to inspire people to finally listen to nagging advice from friends or family.
It may also be utilized as impetus to stop procrastinating on their New Years resolutions.
The day intends to get you to stop making excuses and follow through on promises or tasks you've upon which you may have been procrastinating. It attempts to declassify tasks that have been ignored as meaningless noise in your existence.
So this is the day cut through the noise and start acting on the advice or goals you've been pushing aside for however long you may have been doing so.
Happy Blah Blah Blah Day. In a pinch yada yada yada will suffice.