Masterdebater (noun) - Another name for really good debaters. Not to be confused with "masterbater," although since most debaters are weird, nerds, and freaks, many of them are also masterbaters.
Andrew: hey alec - i masterdebated for 2 hours last night!
Alec: wow, i masturbated with my rabbit for 4 hours last night!
A confined space used for masterbation. A masterbatorium will sometimes have pictures of naked bodies hanging on the walls for visual stimulation. Those little rooms in the porn store that you stick quarters in, those are masterbatoriums. A masterbatorium will generally smell of lotion or crusted semen. You get a feeling of filth when you walk into a masterbatorium.
The guy who lived below me had his room completely wallpapered with centerfolds of Playboy Playmates, this was obviosly a masterbatorium.
A person who is a 3rd degree black belt in the art of masturbation. A masterbator doesn't need physical stimulation all he needs is meditation to be able to complete his task.
Dude 1: Look that guy is sitting there by himself with the look of extreme pleasure in his face. He's also making weird noises too.
Dude 2: He's a masterbator he's able to masturbate with his mind.
Yak: That's right I am a 3rd degree blackbelt masterbator. No need for women or porn and no getting cockblocked. And look no hands! hahaha.