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.
Chapped lips can be caused by a number of factors, including the weather, excessive licking of the lips, and certain medications. Chapped lips is a very common condition that only occurs occasionally for most people. However, some people may develop a more severe form of chapped lips called cheilitis. Cheilitis, which can be caused by an infection, is characterized by cracked skin at the corners of the lips.