To create a blog for the sake of publicly shaming or embarassing someone. The most infamous examples of this to date are the Amir Tofangsazan "Sold a Broken Laptop" blog and the "Stolen Sidekick" Blog.
Using internet publication resources to ridicule or embarass someone.
That guy who lied about selling a broken laptop got a huge steaming pile of blog-venge thrown at him!
Blorenge is the only word in the entire world that rhymes with orange...and it's made up to help those people who are out to prove everyone wrong accomplish their goal. Other words that don't have a word to rhyme with them are purple, month and silver.
orange forenge bo borenge fefi fo forenge blorenge