You have a tooth! It is one of your bottom front teeth and it is very sharp and you are pushing it with your tongue and drooling like crazy! I will take pictures of it later :)
“Listen to the mustn’ts, child. Listen to the don’ts. Listen to the shouldn’ts, the impossibles, the won’ts. Listen to the never haves, then listen close to me… Anything can happen child. Anything can be.”-Shel Silverstein