Webster's Revised Unabridged Dictionary · 1913

Kink

Kink , noun

[Dutch kink a bend or turn, or Swedish kink.]

1.
A twist or loop in a rope or thread, caused by a spontaneous doubling or winding upon itself; a close loop or curl; a doubling in a cord.
2.
An unreasonable notion; a crotchet; a whim; a caprice. [Colloquial] — Cozzens

Kink , intransitive verb

To wind into a kink; to knot or twist spontaneously upon itself, as a rope or thread.

Kink , noun

[Compare Chincough, Kink-haust.]

A fit of coughing; also, a convulsive fit of laughter. [Scottish]