Definitions by Dirty Train Driver

nfgm 

Acronym for No Fucking Good Mate. Commonly used between mates when a piece of equipment is no longer in good working order or if a mate is upset or angry they are No Fucking Good Mate!

Rusty: How’s it all going Sambo?

Sambo: Piss off Rusty....NFGM

nfgm by Dirty Train Driver July 9, 2020

Dirty And Unprofessional 

Something shitty and not professional at the job/task at hand.

Those guys on 27 & 30class locos are dirty and unprofessional that I could do so much better!

Dirty And Unprofessional by Dirty Train Driver March 3, 2019