B) A person,usually considered to be a male, who is like the tooth fairy but likes dick instead of teeth. This person has probably sucked as many dicks as the tooth fairy has collected teeth. Hence, a dick fairy.
Don't let that kid hit the blunt. He's a fucking dick fairy!
Someone who uses the "Urban Dictionary Word of the Day" every single day. In most situations the word is misused because the person is in such a rush to say it.
Lila: I can't stand days like today. It's like I'm on the strugglebus.
Brittney: Quit being an urban dickfairy. You steal the word of the day on a daily basis.