The beard of a young man, generally in his teens. Consists of sporadic hair growth and moderate-to-low fullness. Also seen on terrorists, hipsters and people of generally low character. If seen on a grown man, could be an indicator of more insidious things. Avoid if possible.
Someone who acquires a lot of books claiming they will read them when in fact, the books just sit on the top shelf of their dirty closet collecting dust.