An amount of money paid to you which prevents you from bitching as you'd be thinking about not having it every time you got an itch to bitch. It could be being paid lots of money to do a sucky job.
Applies to any working environment
Tom: "I just can't BELIEVE THIS ISH!"
Ato: "What's the matter Now Tom?"
Tom: "Dude, I don't get paid enough to do this crap."
Ato: "Well, I told you Months ago to get yourself a job that pays that extra anti-bitch buffer i'nit?"