When one is feeling overwhelmed with emotions and feelings that they cannot simply contain themselves. Usually used to describe a feelings of overwhelmed feelings.
1. It's when a large number of people are in a really confusing or awkward situation and everybody has the wrong idea about everything, so naturally,they all react in the most wrong way possible, and the consquences are huge.
Man, Romeo and Julietsure was a flusterfuck, wasn't it.
A person who gets flustered easily, so much so that a single flirt or romantic/sexual indication might as well make them scream into a pillow, kick their feet non-stop, blush intensely, and have many other over-the-top reactions related to being flustered.
A grumpy old man who can't be bothered with anything, has all his life been in a bad mood, and generally, has a dark cloud over his head.
You, Mr. Smith, are an old blusterfuck! You have been in a bad mood for forty years, can't be bothered with anything, and you steal my happiness every time you darken my door.
A door wall is a sliding-glass door or patio door. The term is yet another example of banal Michigan vernacular, where in the residents latch on to company names, trademark names, marketing terms and product names from local companies. The terms become embedded in the local vocabulary and eventually become accepted as actual valid words and phrases. In this case the term comes from Wallside Windows in Taylor, MI (a large window manufacturer), where 'door wall' is their created word for sliding-glass door.
"Bob! John's gonna bring over them doorwalls from Wallsides on Tuesdee afternoon 'round two-thirty. Get 'er done!"