I started using "hinky" after seeing some silly scene about it on a cop show (NYPD Blue?).

"I don't know boss, it seems kinda hinky."
"Hinky? What the hell does that mean?"
"Hinky. I don't know...hinky, you know? Not right."
. . . typical lieutenant grumbling about wasting time and money on a case that's already been put down.

I thought it was a funny word.