Punkin' Dunkin' 

The autoerotic act of fucking a pumpkin through a hole carved out in the side of the pumpkin.

"When there's frost on the punkin, it's time for punkin' dunkin'"

Punkin' Dunkin' by wifflebird April 8, 2008

punkin and dunkin monkeys 

Ridin in your 64 Impala when you see some haters riden dirty, you split they dome like a melon, then you duck the cherries and berries

Darnel-"You hear what happened to Straight Killer C?"
Ya-Yo-"Naw blood what happened?"
Darnel-"He was almost caught punkin and dunkin monkeys!"
Ya-Yo-"Word?"
Darnel-"Word!"

punkin and dunkin monkeys by J-La M-Town June 26, 2006

Dunkin-Plunkin 

To be consuming a healthy portion of freshly baked jelly doughnuts while simulataneously giving, gettin or receiving a warm enema.

The doctor told Elvis the years of dunkin-plunkin had finnally taken its toll, his teeth were rotten and his rectum was raw.

Dunkin-Plunkin by BYummy July 7, 2006