The act of occupying oneself during an otherwise overwhelming stressful or depressing situation (hence the name) using manual stimulation onto one's sexual endowments; in a simple sense, depressed masturbation.
Dude did you see Michael after his father's death?
Ah yeah, he's executing the depresturbation technique.
Timmy-"I am full of this depressant," Points to a bottle of cheap vodka, "Because I'm still living with this depressant." points to expensive, unloving woman.
Person 1: "They don't have the expensive top I wanted to get in my size. It's so depressingly spicy."
Person 2: "Yeah you really wanted it but you didn't need it and you'll save your money."