Definition of kinking:
(n) :
Peculiarity or deviation in sexual behaviour or taste.
(n) :
Any sexual preference outside normal or expected norms.
(n) :
A difficulty or flaw that is likely to impede operation, as in a plan or system.
(n) :
An unreasonable notion; a crotchet; a whim; a caprice.
(n) :
A tight curl, twist, or bend in a length of thin material, hair etc.
(v) :
(transitive) To form a kink or twist.