mountain nipple 

The hard twin peaks resulting from cold or typically a wet tongue run around the nipple.

I accidentally spilled liquid nitrogen on her tits and she got mountain nipple.

mountain nipple by Nickpapageorgio January 28, 2008

nipple mountains 

Nipple Mountains are referred to boobs or breast ether for men or women.

Rachel has gigantic nipple mountains

nipple mountains by Aussiemate123 July 13, 2016