eating odd objects is called PICA
Being called a potty mouth. Being called dirty. Etc. xD
It has four leg like things near its mouth that is used to store food while it is eating, it is called the labium and the maxilla.
The things that create spit are organs in your mouth called salival glands. They create your spit.
an expression like 'pop' or 'bang' and things like that is called onomatopoeia . its a bit of a mouth full, I know!
A stylet is part of the mouth in some invertebrates. Aphids and tardigrades also have mouth parts that are called stylets. The stylet is sharp and is used to pierce things like plants and leaves.
By placing food in the mouth and making the jaw move up and down with things called muscles.
It could be a variety of things, but commonly it could be oral thrush, a fungal infection causing white patches in the mouth. It's important to see a healthcare provider for proper diagnosis and treatment.
Mouth-less animals.
it is the harmonica.it can also be called the mouth organ
An entrance to a cave is called a cave mouth or cave opening.
a pigs mouth is a technically a snout but, in particular, a pigs "snout" is called a "gruntle"
spit