How the heck can you refer to "lagging" as hacking?
http://dictionary.reference.com/search?q=hacking
hack
v. hacked, hack·ing, hacks
v. tr.
1) To cut or chop with repeated and irregular blows: hacked down the saplings.
2) To break up the surface of (soil).
3)
a) Informal. To alter (a computer program): hacked her text editor to read HTML.
b)To gain access to (a computer file or network) illegally or without authorization: hacked the firm's personnel database.
4) Slang. To cut or mutilate as if by hacking: hacked millions off the budget.
5) Slang. To cope with successfully; manage: couldn't hack a second job.