出典:Wiktionary
Abbreviation of Space Marine (name of a 2011 video game) + orc. Popularized by the 2015 YouTube video "SMOrc SONG - Face Never Trade" by DJ KARL THE DOG.
SMOrc
SMOrc (uncountable)
SMOrc (三人称単数 現在形 SMOrcs, 現在分詞 SMOrcing, 過去形および過去分詞形 SMOrced)