Nip stings 

Any time your nipples get hard and start stinging. This could be caused by it being cold or if your aroused.

"I took my shirt off before I took a shower and I got nip stings."

"Stop licking my nipples I'm having nip stings!"

Nip stings by Pancakeramen January 4, 2017

Nip Stings 

the sensation that occurs when your nipples get so hard that it stings

Oh shit man, it's so cold! I've get the nip stings!

Nip Stings by Lay-Knee January 4, 2017