4NR 

Foreigner

Dude, there's this hot 4NR in my soc. class who's from Peru.

4NR by laksjdhfg99 January 18, 2010

4nrs 

The plural form of "4nr", meaning foreigners. Commonly used by American gamers to express dislike or secret envy. This term is usually used in a situation of a foreign visitor that does something "4n", like using things the way they aren't used in this country.

Hardcore American Gamer: Dude that /\/00B is so 4n, I can't understand his words lol
American Gamer/4n expert: He's speaking Dutch, retard. There are other languages in the world.
Hardcore American Gamer: Ye lo 4nrs

4nrs by 4nrassistance March 10, 2011

4nr0x 

4nr0x is a British cyber security researcher with a multidisciplinary background spanning open-source intelligence, reverse engineering, and network security. Active mainly in private and semi-public circles, they’ve built a quiet reputation for identifying threats early and picking up on patterns others miss.

Some of their work has allegedly featured in media coverage across several countries, though they rarely comment on it and tend to avoid the spotlight. Known for a low-key, analytical approach and a focus on practical impact over recognition, 4nr0x is respected by peers for consistent, no-nonsense research and sharp technical insight.

4nr0x says it's serious, it's serious.

4nr0x by free w0rds July 13, 2025