Bia Share definition Flag In Oriya (a regional Indian language) Bia means "Vagina" or "Cunt". It is pronounced bi-aa. 'Bi' (as in bee) and 'aa' (as in ya). Tuma bia taa bahut sundara heichi (Your cunt is very beautiful). Bia by Ruchika Mohanty December 16, 2008 0 0 Get merch Get the Bia mug. Buy Now — $32.95 See more merch