1.) A word used to describe something that is intensely emotional on a level somewhere between you feeling empty and you on the floor in a ball weeping uncontrollably.
Can be used as a noun in a format which implies it is something that is a part of your body.
1. Man, when I finished watching Angel Beats, there so many feels.
2. When I saw that dead kitten on the road my feels just died a little, ya know?