samhuri.net/public/tweets/js/noClickDelay.js

(function($) {
    $.fn.noClickDelay = function() {
        var $wrapper = this;
        var $target = this;
        var moved = false;

        if(('ontouchstart' in window) == false) {return;}

        $wrapper.bind('touchstart mousedown', function(e) {
            e.preventDefault();
            moved = false;
            $target = $(e.target);
            if ($target.nodeType == 3) {
                $target = $($target.parent());
            }
            $target.addClass('pressed');
            $wrapper.bind('touchmove mousemove', function(e) {
                moved = true;
                $target.removeClass('pressed');
            });
            $wrapper.bind('touchend mouseup', function(e) {
                $wrapper.unbind('mousemove touchmove');
                $wrapper.unbind('mouseup touchend');
                if (!moved && $target.length) {
                    $target.removeClass('pressed');
                    $target.trigger('click');
                }
            });
        });
    };
})(jQuery);