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!
Weezer by and for homosexual furries
Person 1: What is Car Seat Headrest?
Person 2: Have you listened to Weezer?
Person 1: Yeah
Person 2: Well it's basically that band but for homosexual furries
Person 1: Oh wow
Weezer for homosexual furries
Person 1: What is Car Seat Headrest?
Person 2: It's like Weezer but for homosexual furries
Person 1: Oh wow
Person 1: What the hell is Car Seat Headrest?
Person 2: An indie rock band, it's basically Weezer but for gay furries
Person 1: Oh wow