Index: wp-includes/js/admin-bar.js
===================================================================
--- wp-includes/js/admin-bar.js	(revision 22261)
+++ wp-includes/js/admin-bar.js	(working copy)
@@ -21,6 +21,12 @@
 			sensitivity: 7,
 			interval: 100
 		});
+		
+		if ( $('body').hasClass('mobile') ) {
+			$('.ab-top-menu .menupop > a').on('click', function (e) {
+				e.preventDefault();
+			});
+		}
 
 		$('#wp-admin-bar-get-shortlink').click(function(e){
 			e.preventDefault();
Index: wp-admin/js/common.js
===================================================================
--- wp-admin/js/common.js	(revision 22261)
+++ wp-admin/js/common.js	(working copy)
@@ -232,6 +232,12 @@
 		sensitivity: 7,
 		interval: 90
 	});
+	
+	if ( $('body').hasClass('mobile') ) {
+		$('.wp-has-submenu > a').on('click', function (e) {
+			e.preventDefault();
+		});
+	}
 
 	menu.on('focus.adminmenu', '.wp-submenu a', function(e){
 		$(e.target).closest('li.menu-top').addClass('opensub');