A person forgot to wipe directly on their anus leaving a U shape poo shmear.
Mickey: "Babe I want you eat your ass but there's a U of poo !"
Bottom: "oh oops I'll go shower"
a babyish version of saying "fuck you"
Dan: You're a bitch.
Michael: Fawk U
Dan: Haha you mean "fuck you"? You're such a loser
Finn is a really nice boy who has a soft heart, usually brown curly hair and brown eyes, he does things wrong like everyone but he never means it. He likes brown haired girls who have there own individuality and a soft heart. Finns tent to have a massive penis in fact the biggest as it is proven curly hair means big willy
Woah Finn u penis is huge
Finn u likes the edgy girl
Some autistic Guy who can't spell ZZ Rot.
I will buy a ZZ Wot. Then some sick guy parodies it and says: ZZ U Wot M8?
Your Chinese dad yelling at you at 3am for not eating all of you egg rolls and getting a 98% in maths
Oh, you ought to be kidding me.
Friend: I want you to write the definition of this word in Urban Dictionary.
Me: O U otter B kidding me!