fijate los parámetros
Código HTML:
Ver original <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> <script src="http://cherne.net/brian/resources/jquery.hoverIntent.js"></script> <script type="text/javascript"> $( function (){
$('#menu li a').hoverIntent({
over: down,
timeout: 1000,
out: up
});
function down(){ $(this).next().slideDown(500)}
function up(){ $(this).next().slideUp(500)}
});
#menu{list-style:none}
#menu>li{float:left; width:100px}
#menu ul{display:none}
<li><a href="#" class="asd">Uno
</a>