The most common and most likely answer to this crossword clue is the 5 letter word CURLS
I've seen this crossword clue in The Guardian
C
U
R
L
S
More clues leading to the result CURLS
Buddy explains!

The straight part
We know that "Kinks" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case kinks = curls.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does CURLS mean?
CURLS noun- A piece or lock of curling hair; a ringlet.
- A curved stroke or shape.
- A spin making the trajectory of an object curve.
- Movement of a moving rock away from a straight line.
- Any exercise performed by bending the arm, wrist, or leg on the exertion against resistance, especially those that train the biceps.
- The vector field denoting the rotationality of a given vector field.
- (proper noun) The vector operator, denoted \rm{curl}\; or \vec{\nabla}\times\vec{\left(\cdot\right)}, that generates this field.
- Any of various diseases of plants causing the leaves or shoots to curl up; often specifically the potato curl.
- The contrasting light and dark figure seen in wood used for stringed instrument making; the flame.
- A pattern where the receiver appears to be running a fly pattern but after a set number of steps or yards quickly stops and turns around, looking for a pass.
- To cause to move in a curve.
- To make into a curl or spiral.
- To assume the shape of a curl or spiral.
- To move in curves.
- To take part in the sport of curling.
- To exercise by bending the arm, wrist, or leg on the exertion against resistance, especially of the biceps.
- To twist or form (the hair, etc.) into ringlets.
- To deck with, or as if with, curls; to ornament.
- To raise in waves or undulations; to ripple.
- (hat-making) To shape (the brim of a hat) into a curve.
- Specifically, a body of curly hair on someone's head