ROFLZ is similar to ROFL, but with flair. Whereas some would contend the "Z" is useless, others, with intelligence, would contend it accentuates the point in a texting based environment. The others would be right.
the acting of being "ruthless" to an even higher intensity, so much so that you do so with lack of regard for others and common decency. When you're rufless, you don't even care.
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.
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.