1 definition by PJOWho

To sing a song based on sci-fi, borrowing a tune from another song, but replacing the words to relate to a chosen sci-fi show.
A cross between 'fi' and 'folk'.
1- Where's Tom?
2- He's gone filking at the sci-fi convention.
1- Why's that?
2- I think he just felt like a filk
by PJOWho October 28, 2008
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