Noun - somebody who is loose or easy, inviting, all wet all the time, ready to go.
Chip's mom is a pool; I've been in her deep-end, to the bottom, many times.
Digging up old post on message boards or bbs systems and replying to them.
Digging up old emails and replying / forwarding them
Digging for dirt on somebody on the internet
Dude, you where swamping when you found this post; it's so old half the people mentioned are dead now.