What does the phrase "x-nay" mean?

Question:I hear it all the time, but i don't know what it means

Answers:
It's pig latin for the word "nix", which means to get rid of or reject something. Usually used with "on". For example:

"ixnay on the andycay in front of the kids"

here's the wikitionary article: http://en.wiktionary.org/wiki/ixnay...

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