look up any word, like plopping:
 
9.
1.Someone who refuses to stop doing something when asked not to 2. someone who does shit even though they know they shouldn't. 3. an ignorant person
Mike's drunk and he's trying to kiss Michelle, again, that guy's a fuckin knock off!
by Jeb C. November 26, 2007
 
1.
An item that looks exactly like an original product but lacks the expensive designer label and is replaced with a fake one. Usually costs half the price with half the style appeal.
I hate those Coach knock off purses with the little "G's" on them instead of little "C's"
by ~*erin*~ April 10, 2004
 
2.
a cheap imitation
by cbeals April 30, 2003
 
3.
An imitation of a major Brand Name
"Like, ohmygosh is that Louis Vuitton???"
"Nah, its a knockoff, my mom got it for $5"
by K.F. April 21, 2006
 
4.
Australian, to end the days work, to clock out.
2) colloq to steal
I knocked off work mate and seen some bastrad knocked off me car stereo.
by herbie August 31, 2004
 
5.
(n.) knockoff - a copy of an original brand, often priced dramatically lower than an authentic. Commonly, the designs will have been altered a bit, or they will appear the exact same, but some small detail may prove they are not authentic.

"Woah, a Dior wallet for $40.00? That can't be possible."
"It isn't. See? The interior isn't leather, it's plastic. And the stitching is loose and falling apart. It's definitely a knockoff."
by Ulrika May 30, 2006
 
6.
1. an imitation of someone or something

2. to imitate someone or something
That site has mostly knockoffs of popular video games.
by Light Joker May 15, 2006
 
7.
(n) Another synonym for hundred spokes or vogues. Lot of rappers will be sittin on knockoffs.
I got an escalade on knockoffs, I keep a glass house inside of my mouth, I use Codeine so I will not cough.
by DonaldTheG April 16, 2006