a person whom is dedicated to a certain idol. This person has no life, and is okay with it. They usually spend their time on Twitter, Tumblr, Instagram, and/or facebook fangirling about their idol. They are also a part of a fandom. It is extremely addicting and needs a warning label.
"I am a professional fangirl."
"What are you doing when you get home?"
"Oh, just going to fangirl."
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