It depends on the type of battery, and the amount that is ingested. With a normal alkaline battery, symptoms of poisoning include severe pain in the mouth, throat, and stomach, and swelling in the throat leading to difficulty breathing.
stuff your mouth in it and chew and then swallow.
you stuff it in your mouth
spit
stuff it in its mouth!
a lot
If a child puts a battery in there mouth you should remove the battery. As long as the child hasn't bitten the battery open there shouldn't be any reason for concern if the battery is punctured contact your local poison control center.
I think a person can stuff just one.
The white stuff found in a battery is called "battery corrosion" or "battery acid leakage." It is typically a buildup of potassium carbonate or potassium hydroxide, which can leak out from the battery and cause damage if not cleaned up properly.
Stuff that is in it like :
put it in your mouth, then chew. k?
stuff it in your mouth.
You eat it or have someone stuff it in your mouth