South Indian slang for a woman that frequents auto rickshaw stands and has familiar relations with the auto rickshaw drivers. In many cases a"merlin" is one who is so filthy that she has been shunned from any contact with anyone, besides societies lowest. Often associated with sexually transmtted infections such as HIV, or Hepatitis.
I would never touch her, she is such a scabies ridden Merlin.
by h.manscare December 29, 2011