brinksturbate

(Verb)
Brinksturbating is the act of masturbating until you are right about to have an orgasm, and then stopping. This is used to tease or to increase the size of the next orgasm.

Man: dude, last night, I was brinksturbating for hours over that Carly Rae something or other and when I finally got off, I had to repaint the entire room, you know what I'm saying!!
Other dude: I brinksturbate a lot!
Man: No you don't! You don't even know what it means!
Other dude: Man, I invented brinksturbating!
Man: fuck off you did! Bullshitter!