its when you're fucking a girl from behind in a port-a-potty and you dunk her head as you cum.
A.W. just dropped the puerto rican plumb bob on some chick at the UW tailgate. Bring the hand sanitizer.
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.
Buy the mug