Posting to social media and then waiting for that one specific person to check it out. The modern day equivalent of Gatsby throwing elaborate parties seeking Daisy’s attention.
“I’ve been Gatsbying all day, but she still hasn’t seen my snaps yet”
When a person's friends or acquaintances agree to uphold untrue stories about the friend for the sake of helping that friend impress others, especially a romantic interest.
"Rick told me that Marty graduated from Yale and used to work for Disney!"
"Aw, Marty hasn't done any of that. That's just Ricky using the Gatsby Effect to help him date you."