Index: wp-admin/css/wp-admin.css
===================================================================
--- wp-admin/css/wp-admin.css
+++ wp-admin/css/wp-admin.css
@@ -2534,7 +2534,7 @@ table.fixed {
 tr.wp-locked .locked-indicator {
 	background: url('../images/lock.png') no-repeat;
 	margin: -2px 0 0 6px;
-	height: 16px;
+	height: 20px;
 	width: 16px;
 }
 
@@ -2545,6 +2545,20 @@ tr.wp-locked .row-actions .trash {
 	display: none;
 }
 
+tr .locked-info {
+	height: 0;
+	opacity: 0;
+	-webkit-transition: height 1s, opacity 500ms;
+	transition:         height 1s, opacity 500ms;
+}
+
+tr.wp-locked .locked-info {
+	height: 22px;
+	opacity: 1;
+	-webkit-transition: height 1s, opacity 500ms 500ms;
+	transition:         height 1s, opacity 500ms 500ms;
+}
+
 .fixed .column-comments .sorting-indicator {
 	margin-top: 3px;
 }
Index: wp-admin/includes/class-wp-posts-list-table.php
===================================================================
--- wp-admin/includes/class-wp-posts-list-table.php
+++ wp-admin/includes/class-wp-posts-list-table.php
@@ -574,7 +574,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 						$locked_avatar = $locked_text = '';
 					}
 
-					echo '<span class="locked-avatar">' . $locked_avatar . '</span> <span class="locked-text">' . $locked_text . "</span>\n";
+					echo '<div class="locked-info"><span class="locked-avatar">' . $locked_avatar . '</span> <span class="locked-text">' . $locked_text . "</span></div>\n";
 				}
 
 				if ( ! $this->hierarchical_display && 'excerpt' == $mode && current_user_can( 'read_post', $post->ID ) )
diff --git wp-admin/js/inline-edit-post.js wp-admin/js/inline-edit-post.js
index 48e6e30..8076c31 100644
--- wp-admin/js/inline-edit-post.js
+++ wp-admin/js/inline-edit-post.js
@@ -302,17 +302,18 @@ $( document ).on( 'heartbeat-tick.wp-check-locked-posts', function( e, data ) {
 		if ( locked.hasOwnProperty( key ) ) {
 			if ( ! row.hasClass('wp-locked') ) {
 				lock_data = locked[key];
-				row.addClass('wp-locked').find('.column-title .locked-text').text( lock_data.text );
+				row.find('.column-title .locked-text').text( lock_data.text );
 				row.find('.check-column checkbox').prop('checked', false);
 
 				if ( lock_data.avatar_src ) {
 					avatar = $('<img class="avatar avatar-18 photo" width="18" height="18" />').attr( 'src', lock_data.avatar_src.replace(/&amp;/g, '&') );
 					row.find('.column-title .locked-avatar').empty().append( avatar );
 				}
+				row.addClass('wp-locked');
 			}
 		} else if ( row.hasClass('wp-locked') ) {
-			row.removeClass('wp-locked').find('.column-title .locked-text').empty();
-			row.find('.column-title .locked-avatar').empty();
+			// Make room for the CSS animation
+			row.removeClass('wp-locked').delay(1000).find('.locked-info span').empty();
 		}
 	});
 }).on( 'heartbeat-send.wp-check-locked-posts', function( e, data ) {