Perhaps the most famous and most recognized Tomism (see "Tomism"), the term is used as a general insult. Tom K. would speak of another person as having "the I.Q. of a peanut butter sandwich". It is believed that Tom did not originate the phrase, however. In recent times, the phrase has been combined with "without the jelly" on the end- supposedly to indicate that a peanut butter sandwich WITH jelly has somehow a measurably higher I.Q. Go figure.
After pulling out and cumming on a girls stomach she reaches out pulls the man toward her and hugs the man like a koala bear making a belly butter sandwich.
The occurance of needing a turd so badly that you let a little bit of shit out of your anus and it gets smeared all around your crack. The ass itself when looked at, then has the appearance of a peanut butter sandwich.
A delicious dish comprised of bread with special butter, "Nutter Butter."The butter must be warmed in the microwave for 10 seconds and the fucked and ejaculated in. The Nutter Butter is then spread on the sandwich with the penis or vagina that prepaired the special butter.