1 definition by tumblr_sprocker

Fan-made music written about Supernatural (TV show).

The term was coined and popularized after spnguitarwriter posted "Tuesday" (a filk of "Friday" by Rebecca Black) on Tumblr.

The first sprock music was likely made by Olivia Chrestomanci.

Also known as "spnrock."
Similar genres of music: trock, wrock
Did you hear that new sprock song about Metallicar?
Yeah. I like it, but not as much as that one about Cass.
by tumblr_sprocker August 22, 2011
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