Double Thumpkin
When you stick your thumb in the bumm and the love hole and alternate in and out in and out in and out as fast as you can making a noise like "nenenenene"
Tole threw trash out of the car when I told her not to so I gave her a double thumpkin.
Double Thumpkin
Placing the right thumb in the vagina, and the left thumb in the butthole.
My wife moaned and groaned as I gave her a no-lube double thumpkin.