denotes a non-specific day of the week. Used when time and events get going too fast to keep them straight in your mind, such as when under enormous pressure at work or at home
God what day is it? It's like blurday right now...
blaaah!.
Can't be bothered to talk I have a fuzzy head.
When you wake with a bunged up head due to a cold or flu.
When you try to speak with a blocked and runny nose.
The noise you make when you can't be bothered to speak because you are tired and bunged up