BL Fangirl Share definition Flag Boy Love Fangirl. A girl who is a fan of gay love, pictures of boys kissing and slash. Beth: OMG?! Have you read my new Gabilliam fan fiction? Sofia: You're such a BL Fangirl BL Fangirl by BoyLoveFangirl June 1, 2009 0 0 Get merch Get the BL Fangirl mug. Buy Now — $32.95 See more merch
