The name Megan is an American baby name. In American the meaning of the name Megan is: Pearl. Persian Meaning: The name Megan is a Persian baby name. In Persian the meaning of the name Megan is: Child of light.
Minor infections or irritations are the most common cause of tongue soreness. Injury, such as biting the tongue, can cause painful sores. Heavy smoking can irritate the tongue and make it painful. A benign ulcer on the tongue or elsewhere in the mouth is common. This is called a canker sore and can appear for no known reason.
Your tongue can turn black if you have eaten something that has stained it. Black licorice can stain your tongue, as can chewing tobacco. If you have a black tongue, then you could have a fungus called Aspergillus niger growing on the surface of your tongue. If you have too much bacteria growing in your mouth, it could cause your tongue to appear black and hairy, according to the Mayo Clinic.