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1.
A Puppy Nose is the brown or black thing on the end of a dog's face. It is usually moist. And it is very tempting to pet.
Come Here doggies! I need to pet your Puppy Noses Right now!
by MIlesPatrickOnYouTube June 01, 2013
 
2.
The hard nipple on a woman's breast, as it relates to firmness and texture.
It was so cold I could see her puppy noses through her shirt.
by Magellen January 15, 2008