1 definition by LOLUMAD13574756252567546756754

An awesome girl, usually tall with dark hair. Really creative and artistic. Her friends all love her. She can be extremely loud, or really shy and quiet. She's average, loving Harry Potter, Neopets, socks, Winnie the Pooh, Unicorns, Dinosaurs, and other things awesome. G r y f f i n d o r. Joustine can also be spelled with an A, making it Joustina.
Dude 1: Duuuuude, she's awesome!
Dude 2: Must be Joustine.
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