Plebb is that guy in class that so annoying and disgusting that you wanna kill him every time you see him and he is that disgusting he picks his nose and eats it and always when he goes to the toilet he always sings Rihanna songs and cries about basicly everything.
noun somebody who is complete crap at everything and cant do anything rite, and to be honest is a complete noob at everything. generally used as an insult
From Comedy Central's "Halfway Home", a ceremony in which one picks up three pebbles of differing size with one's ass cheeks.
One must then walk forward, and drop the pebbles, one by one, smallest to largest, into somebody's hand.