A combination of the words, “bad” and “not.” This is very similar to the word “Can’t” (as in can not). In this case, however, the words act as a double negative, resulting in a positive.
A desperate, exhaustive attempt to, by any and all means available, reverse corrupt thinking and/or behavior that results from the persuasive influence of a malevolent, toxic or otherwisedestructive agent.
So just when we thought we had salvaged him from the darkness of his peer-group inspired conduct, we were out-done by a fucking Snatch-Chat ambush; let's just hope that we can undo the badness...