1 definition by nelle D.
The visible outline of a woman's nipples especially when they are erect. Erection can occur due to the change or drop of weather or temperature in an environment, sexual excitation or constant friction. This appearance may get a lot of men aroused.
"girl, I can see your headlights", "look at her headlights", "Are you cold, because I can see your headlights?"
by nelle D. April 26, 2013