Top Definition
A mean or nasty person, the most insulting word you could use. Discovered while I was at a restaurant one day, and an Indian woman with an accent ordered roasted codfish. Me and my friend thought she said cockfish and we have been spreading it to the world ever since. It's gone as far as Pensylvania and Jersey and I don't really know, but it's definitely all over Brooklyn too.
Damn it Steve, stop being such a Cock fish!
by OLIVIAxTx July 07, 2010
1 more definition
a girl who selfishly goes after all the guys even though SHE KNOWS her friends like them.
- "Jennifer is so cockfish"
- "How come?"
- "Once again I told her that I liked a guy only to find her flirting with him 20 minutes later"
by K-lead December 01, 2010

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