Masturbating in order to avoid attending to one's responsibilities.

The act of masturbating as a form of procrastination.

Variant of procrastinate, but connoting the heightened pleasure achieved during the performance of otherwise mundane activities when said activities are performed as an act of procrastination. Can also connote the subsequent desperate guilt or depression felt upon becoming fully aware of true nature of the act. Succinctly expresses the essence of the wise adage, “Procrastination is a lot like masturbation: it seems like a lot of fun until you realize you’re just fucking yourself.”

masturbation for the intent of putting off other more important and imminent tasks, like studying for finals.

To spend your time masturbating when you should be doing other things

To waste otherwise valuable time in self-stimulation of the genitals, or more metaphorically, to waste time doing something unrelated and unimportant to the task at hand; it must be of great interest/pleasure to oneself but only to oneself (which separates it from procrastination) and must have no real positive or substantial upshots.

The act of procrasturbation.
Masturbating instead of doing other necessary things.
Postponing work to masturbate.