Whats the real definition for a hobknocker.?

Answer 1

http://www.urbandictionary.com/define.php?term=hobknocker

Its pretty clear look at #5 that is the real deffinition

Answer 2

There is no real definition for "hobknocker" outside of the fictional context in which it was used on the TV show "iCarly." In the show, a hobknocker is considered to be a derogatory term for someone who performs socially out-of-line actions.