1 definition by BrassWtrBthWash

Top Definition
Unlike an NRB, a GRB has a reason, and it's a good one.
"Did you see that fly huney just walk past."
"Yeah brah, I'm still trying to conceal my GRB."
#nrb #boner #good reason boner #bonedigs #rgrb
by BrassWtrBthWash July 01, 2009
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