Mr Fancy Cakes
A nickname for a young kid, around the age of ten, who curses more than a sailor and is so annoying you just want to kill him.
John: Hey, have you played with Tom yet?
Will: Hell no, Tom is a Mr Fancy Cakes.
John: Lol, burned bitch.
Will: Hell no, Tom is a Mr Fancy Cakes.
John: Lol, burned bitch.