Historical Examples. 1  What between the blow of the cougar and the force of the fall, the big-horn was dead. 2  Two Arrows wiped the blood of the cougar from the blade of his lance. 3  But now the hounds were too quick, and in a trice they had the cougar surrounded. 4  No cougar stalking its prey could have been more lithely wary.
SeveralPossibilities: Most cases of a twitching lip may be due to stress, fatigue, emotion, excessive caffeine intake or some deficiency in the diet such as potassium. Lip twitching in most cases is self-limiting, disappearing in minutes or maybe in a few days without any residual problems.
Some of the common signs and symptoms that accompany lower lip twitching are listed below: 1  Spontaneous and unexpected contraction of the lower lip muscles. 2  Spasms that occur repeatedly after a gap of some minutes. 3  Sensations of frozen lip, numbness of the bottom lip.  Minor palpitation-like motions of the lower lip.