Wizard of Oz, which includes the line, "Lions, <span class="searchmatch">and</span> tigers, <span class="searchmatch">and</span> bears, <span class="searchmatch">oh</span> <span class="searchmatch">my</span>!". <span class="searchmatch">X</span> <span class="searchmatch">and</span> <span class="searchmatch">Y</span> <span class="searchmatch">and</span> <span class="searchmatch">Z</span>, <span class="searchmatch">oh</span> <span class="searchmatch">my</span>! (<span class="searchmatch">snowclone</span>) Expresses awe at, or fear of, three things...
notably a 1974 film. <span class="searchmatch">X</span> <span class="searchmatch">and</span> <span class="searchmatch">Y</span> <span class="searchmatch">and</span> <span class="searchmatch">Z</span>, <span class="searchmatch">oh</span> <span class="searchmatch">my</span>! From The Wizard of Oz, 1939: originally "Lions <span class="searchmatch">and</span> tigers <span class="searchmatch">and</span> bears, <span class="searchmatch">oh</span> <span class="searchmatch">my</span>!" <span class="searchmatch">X</span>, <span class="searchmatch">Y</span> <span class="searchmatch">and</span> <span class="searchmatch">Z</span> can be singular, plural...
dictionaries, <span class="searchmatch">and</span> is still widely encountered. In many cases, where an older dictionary might say that word <span class="searchmatch">X</span> is a corruption of word <span class="searchmatch">Y</span>, some newer dictionaries...