Two nails on a board

This is used to describe a woman with no breasts.

Simply, the nails are the nipples and the board is the chest.
John: OMG! Did you just see that chick? She's basically two nails on a board!

Craig: Kinda like your girlfriend?
by xXshadowXx March 11, 2009
mugGet the Two nails on a boardmug.