A newbie at his job. No matter how long he works at his job, or how good he is at the job, the senior worker will always call him a probie. The newbie always follows the senior workers orders.
Somebody on their probationary period.
Probationer, Probinator, Probus Maximus
(Origin - 2007 Reef Casino)
Best used in moments of stupidy (e.g 'your such a probie Tristan')
(e.g 'Ohh Probe it up a notch')
(e.g 'you are the probiest prober this once probie ever did see')