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Someone who's sorting is of an ambiguous nature, and has tendencies, and traits of both Slytherin, and Ravenclaw houses.
"Dood, I totally just aced that potions test. I didn't even study for that; hell, I didn't even pay attention in class! ...That was totally a Slytherclaw moment...."
by Luna December 18, 2004
A Hogwarts student who would stab you in the back without looking up from their book.
He tricked me into doing his bidding by using a complex analogy about the meaning of life. What a Slytherclaw.
by He Who Must Not Be Named May 03, 2014