Off-Brand

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!

OFF-Brand

Saying something thats not direct or acting in a particular way

That girl right there was being really off-brand.