1 definition by Gat Bammings

Top Definition
a gay best friend, a common nickname for a straight guy who talks to a girl extensively about her personal problems and life issues
I hear Kutgun is a real GBF! Apparently he spent tonight talking to Naomi, cuddling with Maria, and talking to Momo about her boy trouble!
by Gat Bammings March 03, 2008

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