why is it called 'docking' if there is no dock?

[Neo-Nazi Rich Evans]

and what's the deal with airline food?

 

[Poppavalyim Andropoff]

 

[Sparkletor 2.0]

Because back in the olden days, when you made a mistake on the job you had to go to the boss and let him stick his penis head into your foreskin. This was called "docking your pay". They shortened it to just docking.