A nasty filthy female who works in a spa selling her body for money and/or drugs. She is usually ugly and does not use any form of protection and therefore disease ridden.
Like OMG did you see that spa chicken coming out of the Oriental Spa?

Holy shit that is the fattest spa chicken I have ever seen! She must of been about treehundred and fity pounds.
by two lips April 19, 2010
Get the Spa Chicken mug.