Definitions
1.VerbTo do (something) quickly, in a slipshod, or unprofessional manner, especially performing or composing music or a piece of writing."I've got this paper due tomorrow, but I think I can bang it out in one night.; The band were banging out a vaguely recognisable version of the Star Spangled Banner."
2.VerbTo eject.
3.VerbTo 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.VerbTo beat up (someone).
5.NounSomeone who works or studies seemingly way too much."Jamie finished the paper and did all the homework. He's such a bang out."
6.AdjectiveCompletely unacceptable.