Proterbater 

Someone who is to pro at masterbating

Guy: Dude, He is such a proterbater
Guy #2: Yeah, He has been proterbating since he was 13!

Proterbater by xXxSwager420xXx January 2, 2015

poosterbaterprocrastinator 

similar to Poopsterprocrasturbation but sounds better. means to poop and wank simultaneously when you have to do something more impotent to do

hi sol im a poosterbaterprocrastinator and proud

poosterbaterprocrastinator by moppalady February 1, 2014

Proterbating 

The act of masterbating that become so pro at it

Me: The was proterbating so much during school!
Guy: Yeah, Your proterbating was so good I could not even see it!
Some 13 Year old virgin: I wish I was a good proterbater..

Proterbating by xXxSwager420xXx January 2, 2015