Top Definition
The newly nominated archrival of epic fail.
Declaring a sense of pride, hope, or success.

Usually combined with a high five or another sense of nonverbal agreement.
Frank: I want people to stop saying epic, it's so old.
James: I couldn't agree more.
Frank: Cosmic win! *head bash*
by Gard Garr February 01, 2009
5 Words related to Cosmic win

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