acronym stands for Head Canon Accepted. Often used in context with fan theories.
Destiel? #HCA
by khes February 13, 2019
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harpswell coastal academy… what an interesting place ! we got the racist rednecks, mixed with some furries, and all of us lgbtq liberals ! oh yeah it’s also a garage <3
mta bitch: isnt hca just a bunch of greasy people?

hca: nahh we are just all mentally ill
by paulsuelouis September 13, 2021
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