Yes, kink is a Scrabble word!
...and is worth 12 points in Scrabble, and 13 points in Words with Friends
kink
Verb
1. Curl tightly
2. Form a curl, curve, or kink
Noun
1. A painful muscle spasm especially in the neck or back (`rick' and `wrick' are British)
2. A sharp bend in a line produced when a line having a loop is pulled tight
3. A person with unusual sexual tastes
4. An eccentric idea
5. A difficulty or flaw in a plan or operation
What Scrabble words can I make with the letters in kink?
3 Letter Words
2 Letter Words