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1. The opposite of a failcake.

2. A proverbial cookie served to someone who has had a major success.

3. Used to celebrate a major success.

4. In gaming speak, this is served after a player has done something worthy or skilful.
I just wiped out that entire clan in CS, where's my successcookie bitch!

My idea deserves a successcookie.

That idea is so successcookie.
by arkanis50 May 17, 2009
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