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1.
A cross between the sexiest house, Gryffindor and the smarty-smart house, Ravenclaw.
She can't decide whether she's smarter or braver, so she's a Gryffinclaw.
by Lady Sirius Orion Black October 03, 2012
 
2.
Fans of Harry Potter usually can't make up their mind about which house they want to be in. Some fans think they carry some traits of a Gryffindor student and a Ravenclaw student so they put them together.
Girl: Which house are you in?
Boy: I'm in Gryffinclaw.
Girl: So you are both smart and brave?
Boy: Yep, that's me!
by Professor Klaine May 30, 2011