A smooth, white, marine, gastropod shell of the genus Ovulum,resembling an egg in form.
(v) Eggshelling is when one or more parties engage in sexual intercourse with a woman, eventually ejaculating onto the top of her head, then waiting for a period of time for it to harden (normally takes 4-5 healthy men about 3 hours to accomplish) After the time it takes to harden, the men take turns donkeypunching the eggshellee in the back of the head to crack the headwarmer they created.
(Also Commonly known as the Cum-Helmet, Skeet-Hat, and Dapper Dan's Skull Cap of Fun)
When a girl has no pubes. Usually, aimed at underaged chicks.