A shaved head with a goatee or van dyke, often accessorized with thick-framed glasses, or the person sporting such a look. Implies a certain degree of poseurism or gentle mocking. Derived from the unusual prevalence of this look among new media types and those who style themselves to be new media types. The original web 2.0 haircut was probably worn by Seth Godin, although he never followed through with the beard.
"We wanted to hire an SEO firm, but we ended up with some guy with a web 2.0 haircut."