Wiktionary
back-assward
a. (alternative form of bass-ackwards English)
Usage examples of "back-assward".
Been so long since I been in rock-throwing range of a woman that the females of those back-assward centaurs are looking good.
Stranded without my powers in a back-assward dimension like Klah, where the lifestyle is barbaric and the food is disgusting.
Might explain why I approach things back-asswards, too, but I've been kicked around, let down, and sheer nagged to death enough to know that I don't want to spend the rest of my life going through that each day or spending each day running from it either.