They are just searching for upvotes. They're emotional manipulators and just make people with such names feel good about themselves.
Anna: Oh my god, urban dictionary says i'm beautiful!
Me: That's not true, the people who make definitions of names on urbandictionary want you to feel happy so you can upvote their definition. It's an emotional manipulation.
Anna: Oh... that's fucked up!
Gangsta: Yo, G-dog. What the hizzle is up wizzle tha urbandictionizzle? It's mellow scrill yo!
White guy: WTF?
Urbandictionary.com: DEFINITION: Hello, my friend. What is up with urbandictionary.com? I think its great!
White guy: Oh.