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 9, 2013
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A person who has probably had a series of mini-strokes, and is unable to form complete sentences, or express an idea due to the neurological damage.
I never have any idea what Frandy Sanzmeir is trying to say.

yeah she definitely has a peanut butter mouth.
by Reedski December 7, 2021
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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!"
by The Roflcopter Man March 16, 2005
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