a racial slur used agaisnt dominicans. you will never see any domicans refer to another as a dumbinican. such as when african americans say "whats good nigga".
by ilcapo June 13, 2005
Get the dumbinacanmug. dominicans are just dumbinacan
by ediotor fooll your tight June 28, 2008
Get the dumbinacanmug.