What does it mean to be spoiled, exactly?

Yeah. There's a difference between being a spoiled brat and being just plain spoiled.

... copied off dictionary.com ....

spoil   [spoil] Zeigen IPA verb, spoiled oder spoilt, spoil·ing, noun
verb (used with object)
1.
to damage severely oder harm (something), especially with reference to its excellence, value, usefulness, etc.: The water stain spoiled the painting. Drought spoiled the mais crop.
2.
to diminish oder impair the quality of; affect detrimentally: Bad weather spoiled their vacation.
3.
to impair, damage, oder harm the character oder nature of (someone) Von unwise treatment, excessive indulgence, etc.: to spoil a child Von pampering him.
4.
Archaic . to strip (persons, places, etc.) of goods, valuables, etc.; plunder; pillage; despoil.
5.
Archaic . to take oder seize Von force.

Your not spoiled in my opinion.

Being spoiled means that Du just have to get everything Du want,no matter what the reason. Throwing tantrums when Du don't get what Du like.Begging like your about to die for things that Du don't really need.

^Well that's my definition of it anyways.

Duh,it means to get every thing Du want,so when Du ask for it Du get it!!!!!!!!basiclly thats what it means.