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 literally the biggest scrookie I know."
"Yea, I guess that was pretty scrookish of me."
is used in Jamaica, Barbados and the wider Caribbean. Jim Screechie is used to describe a man who is in a sexual relationship with a woman who has a husband or boyfriend. Secret love.