Back Blog 

To post a weblog entry to an earlier date.

This post is back-blogged from the future.

Back Blog by TallSkinnyKiwi April 27, 2004

backblogged 

(adj) describing the state of being behind on updating one's weblog, particularly when multiple planned posts have not yet been created.

Origin: A portmanteau of backlogged and weblog

"Hi everyone, I know I'm backblogged right now, but please stay tuned and I will update soon!"

backblogged by Stephanie McGinty December 18, 2007

backblogging 

When you haven't been keeping up with your blogging for a while and then write a bunch of backdated posts to fill in the gap.

I've been super busy since I got to Lisbon, but I'll be backblogging the past few months when things calm down and I have more time.

backblogging by williamcodes November 15, 2015