tic

When he eventually explodes into thinking, delivering a monologue of disordered intellectual half-thoughts and rhetorical tics, the stage convulses in Lewis Carroll absurdity.

Tourette's syndrome is a condition that causes people to make involuntary movements or sounds, called tics.

Many people with Tourette's can suppress their tics for a while, but often describe the experience as exhausting and uncomfortable.

Although he's long exhibited this rhetorical tic, in recent days he's really outdone himself.

Goode shared video of Tonka from the basement with the scientists, who attempted to identify physical tics that indicate mental distress.