1. The feeling that you fucked a girl too fast or not enough and that you didn't get optimum pleasure out of the sex
2. Not sexing enough to achieve pleasure or being prevented from having sex
3. A condition in which someone feels that the amount that they fucked someone is not enough and that they feel they always need more sex
Aww, what? That wasn't enough!!! I've been nutshelled!!
To summarize a concept, story, or really anything that takes more than a couple of sentences into a simplified and easily understandable statement that can accurately communicate the message of the concept being summarized.