Name is derived from masseur, gutter minds and of course sewers. A dirty minded or sick person who performs massages, typically males who preach Yoga or are self proclaimed Yogis and/or Gurus. Massages are performed for self arousal and catching their patrons ungaurded and vulnerable to sexual advances. Just like their minds their bodies usually reak of body odor (sweaty balls), sex and oils.
Masseuwers usually have non-traditional names or use stupid and/or silly aka's.