1 definition by the dirty joay stain
When a person puts a peanut filled balloon in their anal cavity and squeezes the peanut butter out in a projectile fashion into another person face.
do you know that girl Cindy? i heard she gives the best peanut butter butt boom surprises. i just want to get a really creamy peanut butter butt boom surprise.
by the dirty joay stain October 18, 2008