a: something used for making ejaculation calculations, in particular an electronic device which attaches to the erect penis which then provides the specific ejaculation velocity to a handheld device.
b: a person who ejaculates with such force that the blast radius is substantially larger than an average ejaculation.
"My God Fred, my last boyfriend was a dribbler, but you are a projaculator!"
"I'm sorry about the wall stainmom. I was unaware that I was a projaculator."
adj. (PRO-zak-ee) 1. ineffably happy; existing in a chemically-induced state of blissful ignorance. 2. Overmedicated. See Rush Limbaugh.
From the New York Times article "Sweeping the Clouds Away" by Virginia Heffernan, dated November 18, 2007, describing early Sesame Street episodes: "Cookie Monster was on a fast track to diabetes. Oscar’s depression was untreated. Prozacky Elmo didn’t exist."