stands for Future Sperm Donor. F.S.D.
used for men who are of sperm donating
quality.
in the case of
the one being donated to, you would
call her the F.S.B. Future Sperm Bank.
" Oh man I totally spotted this F.S.D. at the
bar five minutes ago, im gonna
go try to become his F.S.B. holler! "