Fadurt
a brutal insult for someone who is so ugly you might cry. it's said to people who look like they have been hit by a truck and then stepped in a puddle of sludge.
My mom called my little sister a fadurt after she wore a shirt inside out and had chocolate all over her face.
He got called a fadurt because he showed up to the party wearing socks on his hands and looked like a monster.
She got called a fadurt by her best friend because she wore her socks to bed and forgot to shower for a week.