Hey girl...

A phrase often used by women to empathetically approach another girl with information about their partner cheating. It's a phrase known on online sites like Twitter, TikTok, and YouTube. Its prevalence seems to have skyrocketed during 2016 and acts as an inside joke to many women.

Person 1: Wow, yeah, he seems like a good person.
Person 2: Right? It's almost too good to be true. I keep worrying I'll open insta one day to a "Hey girl..." DM.

Person 1: Omfg, you know I had to do that last year?! I had to tell this girl who had been engaged with this guy for about seven years that her fiance tried to slide into my DMs!
Person 2: Bro, what?! I could never, dude.