What does わがまま mean?
わがまま is a Japanese noun meaning “selfishness, egoism, willfulness” in English. It can also be translated as “self-indulgent” depending on context. It is written as わがまま in hiragana, and wagamama in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
あの子を甘やかしてはいけません。とてもわがままになりますよ。
You shouldn't indulge that child. It will make him very selfish.