An upgrade from the original word "rofl", which means "Rolling on the floor laughing". Has been first upgraded with the extension "zor", which is a suffix from the leet language, making "roflzor".
"Roflzorusness", with the help of the suffix "ness", is a much more stronger "rofl", a UBER "rofl". The one you use when you're out of your words.
When you see a video on youtube of two stupid 13 years old girls singing some Britney. You then state ROFLZORUSNESS.
When you PWN a nub on dota and that he instantantly leaves because you're too leet for him. "ROFLZORUSNESS what a nublet".
When you just said something to someone that made him in a "Pwned" state, you then say ROFLZORUSNESS.
The ability girls and women have developed to hold several items at once in one hand. The skill has been developed due to the lack of pockets in women's clothing.
I thought she'd need multiple trips to carry her phone, keys, wallet, and Starbucks to her car since she needed the other hand to open the door, but she used her impressive girl grip to carry everything in one hand.