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.
This section shows a full list of all the diseases and conditions listed as a possible cause of Twitching of the lip in our database from various sources. 1  Gastric resection with gastrojejunostomy. 2  Hypocalcemia. 3  Ileostomy formation.  Multiple blood transfusions.
A RealAge answered. Your lip twitches when the muscles that connect to your lip contract involuntarily. Muscle twitching or spasms can occur for many reasons and may be triggered by stress, fatigue, or a side effect from a medication. Twitches of lips, eyelids, and calf muscles usually go away within a day or two, but they can sometimes be a symptom of a more serious condition or disease. If your twitch is persistent, it's a good idea to see your doctor.