function hide_menu_items_by_multiple_classes($items, $args) {
    $hidden_classes = array('elrejtem', 'hide-me', 'hidden');
    
    foreach ($items as $key => $item) {
        if (array_intersect($hidden_classes, $item->classes)) {
            unset($items[$key]);
        }
    }
    return $items;
}
add_filter('wp_nav_menu_objects', 'hide_menu_items_by_multiple_classes', 10, 2);