Ass backwards. The state doing (or having done) something the wrong way.
No no dude, you've got the cables plugged in all bass ackwards.
Adjective: used to describe people, things or actions that are not authentic.
1) Don't hug me if you're going to give me california hugs.
2) Yuck. This fat-free chicken tikka masala served on a bed of iceberg lettuce is so california-Indian.
3) Heh, don't you just love her new california nose?