1a sharp twist or curve in something that is otherwise straight:a kink in the road a flaw or obstacle in a plan, operation, etc.:though the system is making some headway, there are still some kinks to iron out a quirk of character or behaviour. informal a person’s unusual sexual preference.
2North American a crick in the neck.
form or cause to form a sharp twist or curve: [no object]:the river kinks violently in a right angle [with object]:take care to avoid kinking the wire