<span class="searchmatch">if</span> <span class="searchmatch">that's</span> <span class="searchmatch">not</span> <span class="searchmatch">X</span>, <span class="searchmatch">I</span> <span class="searchmatch">don't</span> <span class="searchmatch">know</span> <span class="searchmatch">what</span> <span class="searchmatch">is</span> (<span class="searchmatch">snowclone</span>) Used to point at something (<span class="searchmatch">X</span>) that <span class="searchmatch">is</span> obvious, clearly seen from the context. We all managed to survive...
worse. <span class="searchmatch">if</span> <span class="searchmatch">X</span> <span class="searchmatch">is</span> <span class="searchmatch">not</span> Y, then <span class="searchmatch">I</span> <span class="searchmatch">don't</span> <span class="searchmatch">know</span> <span class="searchmatch">what</span> <span class="searchmatch">is</span> <span class="searchmatch">X</span> <span class="searchmatch">is</span> the most obvious example of Y. <span class="searchmatch">if</span> <span class="searchmatch">that's</span> <span class="searchmatch">not</span> <span class="searchmatch">X</span>, <span class="searchmatch">I</span> <span class="searchmatch">don't</span> <span class="searchmatch">know</span> <span class="searchmatch">what</span> <span class="searchmatch">is</span> A variant on the above. <span class="searchmatch">X</span> will...
make <span class="searchmatch">what</span> <span class="searchmatch">is</span> said unintelligible to those who are <span class="searchmatch">not</span> members of the group, <span class="searchmatch">i</span>.e. cant. Such language <span class="searchmatch">is</span> usually outside of conventional usage, and <span class="searchmatch">is</span> mostly...