bizza Share definition Flag 1) Bitch - in a friendly way, or a mean way, depending on your town 2) Friend, Good Friend 3) Significant Other 1) What a fucking bizza! (mean) or, What up bizza (nice) 2) These are ma bizzas. / What up bizza? 3) She's ma bizza bizza by Mikel September 1, 2003 Get the bizza mug.