The background to this word of the Bristol street, comes from the dark ages of 1996. The word basically can be inserted into a sentance at any point, conveying the message to the recipient that you're not very happy about something/someone/something.
It it usually found in noun form although can be conjegated as a verb.
Urban Linguists be advised though, on strict interpretation of the construction of this multifunctional word, one could be hinting that one was referring to ejaculation.
A person that exhibits the qualities that pertain to being both a scrub and a rookie.
"Zach, did you just one-star the 23rd player in the clan war?"
"Yea..."
"You're literallythe biggest scrookie I know."
"Yea, I guess that was pretty scrookish of me."