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!
Andrew: what the fuck?!