diff --git a/boards/mdx_neboard.py b/boards/mdx_neboard.py
--- a/boards/mdx_neboard.py
+++ b/boards/mdx_neboard.py
@@ -130,6 +130,22 @@ def render_reflink(tag_name, value, opti
         return '>>%s' % value
 
 
+def render_multithread(tag_name, value, options, parent, context):
+    result = '>>>%s' % value
+
+    if REFLINK_PATTERN.match(value):
+        post_id = int(value)
+
+        posts = boards.models.Post.objects.filter(id=post_id)
+        if posts.exists():
+            post = posts[0]
+
+            if post.is_opening():
+                result = '<a href="%s">&gt;&gt;&gt;%s</a>' % (post.get_url(), post_id)
+
+    return result
+
+
 def render_quote(tag_name, value, options, parent, context):
     source = ''
     if 'source' in options:
@@ -163,6 +179,7 @@ def bbcode_extended(markup):
     # browsers except firefox, when the div's does.
     parser = bbcode.Parser(newline='<div class="br"></div>')
     parser.add_formatter('post', render_reflink, strip=True)
+    parser.add_formatter('thread', render_multithread, strip=True)
     parser.add_formatter('quote', render_quote, strip=True)
     parser.add_formatter('user', render_notification, strip=True)
     parser.add_simple_formatter('comment',
diff --git a/boards/models/post.py b/boards/models/post.py
--- a/boards/models/post.py
+++ b/boards/models/post.py
@@ -43,6 +43,7 @@ NO_IP = '0.0.0.0'
 UNKNOWN_UA = ''
 
 REGEX_REPLY = re.compile(r'\[post\](\d+)\[/post\]')
+REGEX_MULTI_THREAD = re.compile(r'\[thread\](\d+)\[/thread\]')
 REGEX_URL = re.compile(r'https?\://[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(/\S*)?')
 REGEX_NOTIFICATION = re.compile(r'\[user\](\w+)\[/user\]')
 
@@ -63,7 +64,8 @@ DIFF_TYPE_HTML = 'html'
 DIFF_TYPE_JSON = 'json'
 
 PREPARSE_PATTERNS = {
-    r'>>(\d+)': r'[post]\1[/post]',  # Reflink ">>123"
+    r'>>>(\d+)': r'[thread]\1[/thread]',  # Multi-thread post ">>>123"
+    r'(?<!>)>>(\d+)': r'[post]\1[/post]',  # Reflink ">>123"
     r'^>([^>].+)': r'[quote]\1[/quote]',  # Quote ">text"
     r'^//(.+)': r'[comment]\1[/comment]',  # Comment "//text"
     r'\B@(\w+)': r'[user]\1[/user]',  # User notification "@user"
@@ -119,6 +121,7 @@ class PostManager(models.Manager):
             thread.save()
 
         post.connect_replies()
+        post.connect_threads()
         post.connect_notifications()
 
         return post
@@ -450,4 +453,20 @@ class Post(models.Model, Viewable):
                     thread.last_edit_time = self.pub_time
                     thread.save(update_fields=['last_edit_time', 'bumpable'])
 
-                    self.threads.add(thread)
+    def connect_threads(self):
+        for reply_number in re.finditer(REGEX_MULTI_THREAD, self.get_raw_text()):
+            post_id = reply_number.group(1)
+            ref_post = Post.objects.filter(id=post_id)
+            if ref_post.count() > 0:
+                referenced_post = ref_post[0]
+
+                if referenced_post.is_opening():
+                    referenced_threads = referenced_post.get_threads().all()
+                    for thread in referenced_threads:
+                        if thread.can_bump():
+                            thread.update_bump_status()
+
+                        thread.last_edit_time = self.pub_time
+                        thread.save(update_fields=['last_edit_time', 'bumpable'])
+
+                        self.threads.add(thread)