A mixed drink popular during summertime in northern Michigan and gaining popularity across the rest of the Midwest.

One part chilled vodka (50 proof preferred)
One part orange juice
One part hot inside filling of a lava lamp

Vodka is kept in freezer before pouring.
Orange juice is kept in refrigerator before pouring.
Lava lamp is kept plugged in before pouring.

Vodka is poured first, then orange juice, then finally lava lamp.

This drink gained popularity due to offering its drinker a rich, unique experience; if you drink one while on Mackinaw Island (in northern Lake Huron), you may get to take a ride in a helicopter!
"Gosh... lava lamps are fun to watch..."
"Ever have a Mackinac Island Stomach Pumper? They're fun to drink too! Great with vodka and orange juice!
by E. B. DeKalb July 12, 2011
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A nomadic male, around the age of 23, that is native to Middle America but rarely seen there. Most often seen in coastal regions surfing, chasing Siberian Huskies, or mumbling about politics.
by Anonymous September 1, 2003
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When guys at a firehouse invite a girl over to tag team her in the back of a firetruck and proceeding to plant the seed in her. Giving her the name double pumper dump tank.
Chad and brad invited Jessica over to the firehouse one night but little did she know she was about to receive a hard lesson on double pumper dump tank operations
by SlimT69 December 9, 2019
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A sexual action preformed by a barista and customer. Upon asking for a ‘triple chocolate dinkle knuckle pumper’ at your local Starbucks, you will be invited behind the counter. The barista will coat their gloved right hand, or if they’re feeling frisky, their left hand in dark chocolate sauce, then milk chocolate sauce. Then, ready yourself. Prepare for the star of the show known as the triple chocolate dinkle knuckle pumper. They shall reach into your rectum with their hand coated in two layers of chocolate. Their mission: tickle your kidneys three separate times through your intestines, coating their hand in a third layer of chocolate; YOUR CHOCOLATE. Upon removal of their hand from your inner chocolate twisty freeze, the action will have been nearly completed. All that’s left is to A. Consume the glove. Or B. Lick the triple chocolate dinkle knuckle pumper off their hands. It’s your choice, really.
Guy 1: dude, there’s this girl at the Starbucks in the town square, works there on tuesdays from six to nine. Best triple chocolate dinkle knuckle pumper I’ve ever had.

Guy 2: sweeeeet, dude.
by ethan__skywalker March 20, 2021
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A person that runs someone over with their car while someone else is in a Porta Potty.
Yo, did you hear about that Porta potty pumper that killed David? Tragic I know.
by DaddiePortaPotty October 22, 2023
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One participant assumes a “pile driver” position so that the genital area faces up. The other participant inserts their fist into his or her rectum and “pumps” up and down while the other urinates, therefore drawing “well water” .
Jose couldn’t walk right for a while after receiving a Honduran Well Pumper
by Fistertwice July 21, 2020
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