10 Types Of Relationships That Didn’t Exist 5 Years Ago

Half a century ago, if you “pinned” your date, it meant putting a literal pin on the lapel of your jacket as a sign that you were going steady. Now, "pinning" your date probably means you obsessively stuck food pics from your dinner together onto your Pinterest board.

Every new app or social media platform brings with it a new way to chat, date, or hook up — and our language hasn’t quite caught up yet. So, if you’re having a little trouble explaining that Tinder half-romance or those are-we-or-aren’t-we Gchat flirts, don’t panic. We’ve put together a little encyclopedia for when Merriam-Webster isn’t quite able to define that technologically advanced situation you’re in.