ucba Share definition Flag I more extreme version of cba but lesser of cucba its a acroynm for ultra cant be assed. used by youths being lazy matey 1: oi geezer fancy going out gettin steaaming init matey 2: na mush ucba matey 1:lazy cunt! matey 2:go die you heeb! ucba by Chode McA May 12, 2008 0 0 Get merch