Brat

Brats are known for their spoiled tendencies and whiny behavior. They can never be wrong and always have to have their way, but usually they are wrong.

Steven: The world revolves around me.
Amanda: You're a brat.
Steven: You're a brat.
Amanda:...
Steven: You're a brat.
Amanda:...
Steven: UGH! You're a brat.
Amanda: ...
Steven: UGHUGHUGHUGHRAAAAAAAR!!!!OOO LOOKIT ME IM STEVEN AND IM A BRAT WAAAAAAAAAA!!!!