pre-girlfriend Share definition Flag Someone you date for a while to make sure they aren't crazy before you go to the girlfriend stage. Applies to boys also. Yea she's my pre-girlfriend. I'm thinking about promoting her if the crazy don't come out. pre-girlfriend by Tgin January 23, 2014 0 0 Get merch Get the pre-girlfriend mug. Buy Now — $32.95 See more merch