Nock Off 

the best clothing brand coming out of New Hampshire.

Yo, you see those kid wear those sick nock off shirts. Yeah I want to get a few.

Nock Off by Felix the Nock Off Cat September 23, 2011

Nock off with your frock off 

Follow up of 'rock out with your cock out'

Meaning TO PARTY HARD.

dude, are you going to the party tonight?
'Yes, im gonna nock off with your frock off' ;)

Nock off with your frock off by Lauraaaaaaaaaaaaaaaaaaaaaaaaaa February 15, 2009

nockoff 

Spelled "nockoff" to distinguish it from "knockoff" (counterfeit watches, bling, etc.), "nockoff" refers to artificial or cheaply-made foods only.

This soda is a nockoff. It tastes like it comes from a laboratory. There's no real fruit juice in it!

nockoff by pentozali January 14, 2006