Rock Lobster (2009)

Wayne, a socially inept fisherman and an unusual, isolated girl named Ingrid, find each other on the Internet. Their tentative relationship blossoms but is limited by the fact that the man has a strange secret: he lives in a giant lobster. This has imposed a lifetime of ridicule and exclusion from the people of his town who never tire of teasing him. Fearing rejection he puts an end to their romance leaving Ingrid brokenhearted and confused. Wayne regresses back into his solitary existence as an outsider. It is then that the tragedy becomes apparent as Ingrid has a secret of her own.