The corporate cock
The corporate cock is your boss, or bosses, within a corporate business context.
I hate the corporate cock. If it didn't pay so damn well I would shove this job up his ass.
sucking the corporate cock
sucking the corporate cock refers to bending over and taking it up the ass for your job at a corporation.
When you are nothing but a yes-man for your boss, then you are definitely sucking the corporate cock.