English slang expression which can be used as a noun or a verb:
1 Knock off (noun), an item intended to look like something it is not, such as an expensive watch or designer clothes.
Knock off (verb) can have a number of meanings depending on context:
2 to stop working for a short break;
3 to leave work at the end of the day;
4 to steal or remove;
5 to kill or severely chastise someone;
6 to try to get close to someone for romance or casual sex;
1 That piece of shit isn’t a Rolex, it’s a knock off;
2 Let’s knock off for a cuppa, I’m parched;
3 It’s gone five o’clock, let’s knock off;
4 I’m going to knock off a few pens from the office;
5 They’re going to knock off that fat bastard he’s really pissed them off.
6 I’m going to knock off that bird from HR;