1) A person who is exhibiting one or more of the following symptoms or habits: sleep deprivation, indifference to the world, lack of motor skills, no motivation to exist on earth any longer, poor decision making, and the occasional urge to kill yourself. Becoming knacked out is usually a result of intense mental or physical duress over long periods of time.
by amateur philosopher January 25, 2011
 Get the knacked outmug.
Get the knacked outmug. by livelicksaz May 26, 2009
 Get the Nugget Knackmug.
Get the Nugget Knackmug. Any piece of shit (PoS) you can buy from tourist traps from around the world.  Made cheap, and sold to idiots who love them way too much.
by M2. October 1, 2003
 Get the knick knackmug.
Get the knick knackmug. by Big pog man April 16, 2021
 Get the Knack 2mug.
Get the Knack 2mug. by Allan D Trull December 29, 2007
 Get the shit-knackmug.
Get the shit-knackmug. 
