kink

n.

  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.
  3. A fit of coughing; also, a convulsive fit of laughter.

v. i.

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