Third-person singular simple present indicative form of grue.(verb)
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Use "grues" in a sentence
"So I managed to get The Jeff, TBRE and me lost on Soapstone Mountain today in the dark with the full moon and the werewolves and grues hunting us through the darkening woods."
"Now wait until all 5 grues are standing in the shadow of a cage and drop them."
"In the course of your adventure you were forced to puzzle out a baffling array of near-identical rooms, face an endless number of situations which would instantly end your adventures, and always, always, keep in the light to avoid the franchise's trademark under-described bogeymen, the grues."