Derived From The Phrase "DTF". The Acceptance Of A Stranger On Facebook For Networking, Friendship, Or Even Dating Reasons.
Girl: Dang! Who Is This Cute Guy Requesting To Be Friends. Im So Down To Facebook With Him.

Or,

(Guy At Computer Looking At Friends Facebook Page)
Whoa! That's Your Sister? Bro I Am So Down To Facebook With Her.
by choncheez April 17, 2011
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