of scrub and n00b. A super newbie if you will. It is used for basicly eveyrthing, just like the word fuck!
This word is generally used in gameing and in online use. But some kids near detrioit michigan use it for everything ;-)
"you are a scr00b jack ass"
"how could you be so scr00by?"
That guy has never played this game before and he's raging, what a "scroob"!
Furthermore they have their own moronic market prices.
Person - "sure, its 1.1mil, fixed price"
Scroob - "900k plus spinach roll?"
Person - "Scr00b!!"