A goth, vampire wannabe or other fake undead wanker
necro = dead
chondriac - from hypochondriac
One who prettends they are dead, to the point of belief.
Characterized by dark clothing, white face makeup with black lipstick and eye makeup, usually sporting cross or wannabe satanic jewelry, coffin-themed acessories, etc.
Look at those Ann Rice-loving tossers! Bunch of necrochondriac fucks! HEY! You're not black sheep, you're sheep in black!