The cheap brand/version of a product that is so bad yet memorable that it creates an emotional connection in your mind, often confused with actual appreciation or novelty.
Have you seen The Rings of Power?? It's Amazon's new LOTR series. I'm telling you girl, it's off-brand fabulous.
When something gets inspired off of an original brand. The company then starts to make the brand they wanted and steal the design from that other brand they copy. (example: Dr. Thunder is ripped off of Dr. Pepper)
Ryan: Hey D, What you up to?
Dean: Nothing much, bro...
Ryan: I was hired to a company that makes Crunch-Kats!
Dean: Whats that?
Ryan: A chocolate Wafer Bar
Dean: Are you f-cking serious? That's an off-brand!
Saying something thats not direct or acting in a particular way
That girl right there was being really off-brand.