1 definition by musterionanonim

Top Definition
FI
fiancé, the man who a woman is engaged to be married to
my FI has huge fingers. The jeweler measured him at a 15.5 but said to order a 16 if we wanted a thicker band. My FI is 6'4" and a big guy so it makes sense.
#fiancé #husband #man #boyfriend #fiance
by musterionanonim February 21, 2013
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