Slang term used by one individual to title another in greeting; used in replacement of words such as "dude," "man," dawg," or "G." Originally, "block" was conceived by an individual known only as, Shwin; nevertheless, the word gained increased popularity as, IHOD (the larger group of friends to which he belongs) implemented its usage in countless phrases now made popular in society.
by Board of Admissions January 23, 2011