phantom jerker 

One who constantly and furiously masturbates into his webcam while on chat roulette.

Credit to Ashley

"Yeah, tonight chatting I've met about 6 tools, four lonely guys in the dark, and three phantom jerkers."

phantom jerker by psycho_gerbill22 on AIM March 15, 2010

Phantom Jerker 

one who subconsciously while sleeping jerks off their partner who is also sleeping.

KG (the Phantom Jerker) Phantom Jerked JP

Phantom Jerker by muskadusa December 23, 2009