A South Texas term, used to describe a booger that you have hanging from your nose, that you don't know is there, & somebody has to tell you about it so you can go wipe the nasty thing away with a tissue. A variant/blend of booger & dingleberry.
Did you see that big juicy boogerberry hanging out of Carl's nose? Every time I see him I have to tell him to go wipe his boogerberry.
by CShellzByTheSeashore March 14, 2019
