Top Definition
An online boyfriend. The relationship is through AOL. More often than not, they will pretend to be approximately 5 years older than they are in real life, and also be black.
ClassiC was an AO-BF, named Max, who was a 19 year old black guy. However, the real ClassiC was actually a nerdy white kid with glasses. The intarweb rulez!!1
by Robert Dole, II April 26, 2007
5 Words related to AO-BF

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