Pencil pusher

Someone who you can trust with all manners of pencil related business. This could mean anything between writing notes on a paper with a 2B pencil or using the lead from a mechanical pencil to fill various crevices in the human body; including but not limited to: Areas under eyelid, under fingernails, urethra, mouth hole. These maneuvers are only to be attempted by a professionally trained pencil pusher with at least 4 months of experience.

A man: Lovely day we're having, pencil pusher!
Pencil pusher, shoving three sharpened pencils into A man's front hole: Yah, now just hold still, I can't get the angle right if you keep moving.