The act of publicly and sometimes aggressively sharing, demonstrating, or co-opting credibility and status within a subgroup in online media. A NetFlex is when someone rubs how cool or credible they are in your face, aggressively, like walking around with your shirt off flexing— but online.

This is what a naive person thinks is netflix. They think they can watch unlimited movies and tv shows from a site that includes flex, like flexing muscles, instead of flix, like flicks or movies.

To judge others for watching shows on inferior streaming websites

Being really good at watching Netflix. This is comparable to any other hobby and requires great skill to really master.

your ex whom either still has your netflix password or you have theirs

The art of flexing to people by posting pictures of what your watching on netflix