To celebrate (a fellow printing or newspaper industry worker) to mark their completion of an apprenticeship or their retirement by (formerly) hitting metal furniture in the printing room or (more recently) hitting one's desk in the newsroom.
To do something quickly, in a slipshod, or unprofessional manner.
To eject.
Someone who works or studies seemingly way too much.
To author a literary work or speech in the place of another.
To write under the name of another (especially literary works).