Wǎngshàng yǒuxiē zìchēng xiǎoxiānnǚ de rén qíshí zhǐshì rènxìng.
Some women who call themselves 'little fairies' online are just being self-indulgent.
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Internet slang with a sharp double edge. Used affectionately by friends or in beauty marketing, but often sarcastic when applied to entitled, princess-like behavior. Context tells you which sense is meant.