Ixnay on the upidstay
Meanings of "Ixnay on the upidstay"
Nix on the stupid. As in, do not say a certain person is stupid. It is Pig Latin. A pseudo language. The rules of it are simple. Take the first, or first two letters of a word, put them on the end of the word, and then add 'ay' to the end.
Eesay atwhay I eanmay. (See what I mean).