A noob so undeniably new and inexperienced at a particular activity or event that it is fo sho inarguable whether that person is a noob or not anymore. By being called a noob fo shoob, it is without a doubt that that person is terrible or lame and everyone else knows it.
Getting tired of the same old slang terminology for sleeping such as "take a disco nap," "crash," or "40 winks?" Try new and improved fo' shoozie my snoozie! It's chalked full of snoopdogganese, and good for your colon! Proper English translation: For certain, I shall promptly engage in some much needed rest.