From micro- + brain. <span class="searchmatch">microbrain</span> (plural <span class="searchmatch">microbrains</span>) (colloquial) A very stupid person....
<span class="searchmatch">microbrains</span> plural of <span class="searchmatch">microbrain</span>...
leaky brain syndrome left brain lizard brain madbrain Matrioshka brain <span class="searchmatch">microbrain</span> midbrain minimal brain dysfunction mommy brain more money than brains...