bang out

Short definition from Wiktionary

Verb

1. 1
   To do (something) quickly, in a slipshod, or unprofessional manner, especially performing or composing music or a piece of writing.
2. 2
   To eject.
3. 3
   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.
4. 4
   To beat up (someone).

Noun

1. 1
   Someone who works or studies seemingly way too much.

Adjective

1. 1
   Completely unacceptable.