- What does gap mean?

gap does not have a defintion that is true 100% of the time. At this site in the gallery gap is showen as whatever is a funny or cool picture, may that be a famous person, or a random shot of someone on the street.

- Can I be gap?

Sure you can, just submit a pic through the submit section and there you go.

- How did you come up with this idea?

No clue...