kink

We couldn't get enough water to put out the fire because of a kink in the hose.

They had planned to open another shop downtown, but their plan had a few kinks.

Never a Yankee was born or bred / Without that peculiar kink in his head / By which he could turn the smallest amount / Of whatever he had to the best account.

To top it all off, Lynn is into kink. Last night she was really into kink. It's a good thing that today is my day off because I need the time to recuperate and think things over.