Definition
A Warhammer 40K slur that the Eldar use for humans and other races they consider inferior—basically the grimdark sci-fi equivalent of calling someone a primitive pest. It's got lore behind it (something about ancient enslaver beasts), but nerds mostly use it ironically when dunking on other factions in 40K debates.
Example Usage
Dude, your Space Marines are so underpowered in this edition—the mon-keigh are getting destroyed by every competitive list.
Source: Urban Dictionary (https://www.urbandictionary.com/define.php?term=mon-keigh&defid=883454)
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See “mon-keigh” in Corporate Speak, Gen-Z Slang, Pirate Speak, and more.
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