Kink

Part of speech: noun (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. [Colloq.] Cozzens.

Part of speech: noun (n.)

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

Part of speech: verb (v.)

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