Given the prevalence of boxers and ex-boxers in pulp fiction. I’ve found it useful to keep these boxing jargon dictionaries handy whenever I run a pulp game:

https://www.titleboxing.com/boxing-dictionary

https://www.predictem.com/boxing/boxing-terms-lingo-jargon/

The image is from Circus Fists (link to actual story)  – a fun Robert E. Howard story about his boxing sailor hero Sailor Steve Costigan.

Costigan would make an excellent PC in any pulp game.