1 definition by somechickyouproboblyydontknow.

Cosie

Refering to a girl, The best friend you will ever have. She's hilarious and beautiful and kind. She has a beautiful voice and lives cats and tea. a total sweetheart.

"She is my bestfriend."
"Who is she?"
"Shes my Cosie"

by somechickyouproboblyydontknow. December 15, 2014