Definition of "nancyboy"

With Mum out of earshot, he continued: "I don't believe you did six girls. I think you're a liar. I think you're either a virgin or a nancyboy."

2003, Alan Grayson, Mile End‎, Ragged Sky Press, published 2003, page 84

This was Marcus, this effeminate, mincing nancyboy, picking his way fastidiously across the grass?

2009, Andrew Chapman, Pagan‎, page 303

Always having to look over your shoulder for some prissy little nancyboy from the ACLU trying to get you bounced from the force.

2009, Peter S. Fischer, The Blood of Tyrants‎, The Grove Point Press, published 2009, page 60