kink (Noun) — A sharp bend in a line produced when a line having a loop is pulled tight.
kink (Noun) — A painful muscle spasm especially in the neck or back.
kink (Noun) — A person with unusual sexual tastes.
kink (Noun) — An eccentric idea.
kink (Noun) — A difficulty or flaw in a plan or operation. ex. "there are still a few kinks to iron out"
kink (Verb) — Curl tightly. ex. "kink hair"
kink (Verb) — Form a curl, curve, or kink.