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Abreviation; Better By Comparison Friend. BBC Friends are used by less than hot girls in order to make themselves look more attractive when "going out". The BBC Friend usually turns into a huge cockblock towards the end of the night because your buddy will refuse to take wingman duties.
I think she's cute but its hard to tell with that BBC Friend in-tow.
by Triple F August 11, 2007
Happy St. Patties Day!
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