From were- + orc.
wereorc (plural wereorcs)
- (fiction, fantasy, rare) A shapeshifter who can assume the form of an orc.
1999 January 21, Mad Molly Malone, WereOrc, “Troll Striptease 8”, in alt.horror.werewolves[1] (Usenet):As a wereorc who is happily married to a weretroll, Sir Haggis, I must object to your continuing denigration of the race of trolls as some kind of Usenet vermin.
