Urban Dictionary: peanut butter mouth

The delicious treat of eating straight peanut butter with a spoon, knife, or other eating utensil.

I just had a delicious treat of peanut butter mouth.

by Jimbly99 April 08, 2013

a peanut butter mouth massage is when the girl, using a strap-on, puts it in her man's butt and then proceeds to put it in his mouth.

B says: "girl i want you to gimme a peanut butter mouth massage, and i don't care who knows it!"