A tight curl, twist, or bend in a length of thin material, hair etc.

A difficulty or flaw that is likely to impede operation, as in a plan or system.

An unreasonable notion; a crotchet; a whim; a caprice.

(informal, countable or uncountable) Peculiarity or deviation in sexual behaviour or taste.

(informal, countable) A person with peculiar sexual tastes.

(mathematics) A positive 1-soliton solution to the sine-Gordon equation.

To laugh loudly.

To gasp for breath as in a severe fit of coughing.

(transitive) To form a kink or twist.

(intransitive) To be formed into a kink or twist.