- This is the reduction of the word "hacking" but in here is used euphemistically to substitute for a more offensive word that pretty much means the same thing. The word "hack" serves as an effective substitute because it highlights the frenzy of the madness experienced.
analogy; slang adjective
Etymology : derivation of the word "hack" with the "-ing" adj ending, and deletion of "-g".
Source : "Why is Justin Bieber So Hackin Mad?" savetheinternet.com, 11/2/11
Last modified: 5 December 2011