Neckbeard (slang)

"Neckbeard" is a pejorative term and stereotype for an adult man or teenage boy who exhibits characteristics such as social awkwardness, underachievement and pretentiousness. The term is derived from the neck beard style of facial hair, who may neglect social facial grooming and identify with nerd, gamer, or geek subcultures. The term has also been associated with anti-feminist internet users.