Buying and keeping a domain that one will never use, with the hope that one day they will be emailed a high (often over inflated) offer for it for purchase.
Ryan: How the hell did Mark buy that giant house? I thought his startup failed? Lewis: He bought a bunch of domains in the 90s and supposedly sold alot of them now. Have you heard of hillaryclinton.com? Ryan: Of course... Lewis: Well it was originally owned by him.