>>2919407 (Last Bread)

You too can have black hairy tongue. That is not what is pictured by the way.

If you chew a Pepto-Bismol tablet and go to sleep before all the residue washes out of your mouth, your tongue will turn black.

It is the Bismuth's reaction to you blood.

It goes away in a few hours.

Cool harmless prank to pull on someone.