Anfisunka,
<!DOCTYPE HTML>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<style type="text/css">
body,html{
height: 100%;
}
body{
position: relative;
}
.poof {
background: #FFCC00;
width: 50px;
height: 50px;
position: absolute;
}
</style>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<script>
$(function(){
var s = $("body");
s.click(function(event) {
var div = $("<div/>",{css : {top: event.clientY - 30 + "px", left: event.clientX - 30 + "px"}, "class" : "poof"});
div.appendTo(s).delay(1000).show(function() {
div.remove()
})
});
});
</script>
</head>
<body>
Click on the body anywhere
</body>
</html>