Girljean Share definition Flag A girl that's not your girlfriend yet but that you have sex with and love. Guy: will you be my girlfriend? Girl: no...that freaks me out...can I he your Girljean instead? Guy: sure! Girljean by Markjean May 26, 2016 0 0 Get merch Get the Girljean mug. Buy Now — $32.95 See more merch