A somewhat rare condition in males and females in which the nipples have soft/puffy aureolae and an in-turned nip. They can, however, be extroverted temporarily when aroused.

It is rumored that inverted nipples are more sensitive than normal nipples.

used to describe what happens when it's too cold outside.

Nipples facing in-ward

when someone be so fat that the tips of the nipples go in instead of out

what dan has

WHEN SOMEONE IS OOGERLY FAT AND YOUR NIP TIP LIP HIP ZIP CRACK HEAD GRANDMA IS PISSING........................................................................