bae-ja vu Share definition Flag When you date someone twice, and then suddenly realise you've been here before and they are a shit. 'Ben I saw my ex last night, I completely forgot how fucking mad they are' 'awww dude, bae-ja vu' bae-ja vu by KirstyL June 15, 2016 0 0 Get merch Get the bae-ja vu mug. Buy Now — $32.95 See more merch