werewhale
A person who has been infected by the bite of an undead whale. During a full moon, the infected individual is transformed into a whale and becomes enraged. Usually live near large bodies of water.
Bob: Hey, can I tell you a secret?
Alice: Sure.
Bob: ...I'm a werewhale.
Alice: *Gasp*!
Alice: Sure.
Bob: ...I'm a werewhale.
Alice: *Gasp*!