Bumpa Bia Share definition Flag A person that talks a lot of mess but never does anything about it. That bumpa bia be stuntin, frontin, shakin and fakin too damn much!! She needs to sit her ass down fore' she get slapped! Bumpa Bia by Sister Lite-Bright August 20, 2007 0 0 Get merch Get the Bumpa Bia mug. Buy Now — $32.95 See more merch