We found one dictionary that defines the word peanut butter jar:

Slang (1 matching dictionary)

1. peanut butter jar: Urban Dictionary

▸ Words similar to peanut butter jar ▸ Usage examples for peanut butter jar ▸ Idioms related to peanut butter jar ▸ Wikipedia articles (New!) ▸ Words that often appear near peanut butter jar ▸ Rhymes of peanut butter jar ▸ Invented words related to peanut butter jar