An 4-step activity involving two people, a cooler full of ice water and a can full of beer.

Step 1: Dunkaroo Recipient submerges head in cooler of ice water for 10 seconds
Step 2: Dunkaroo Doner slaps Recipient in the face and hands them a beer
Step 3: Dunkaroo Recipient drinks beer, à la shotgun method
Step 4: Scuzz
"Did you see how many Dunkaroos Sasha took last night?"

"My friend Shoshana just arrived with a cooler full of Peebrs. Dunkaroo time fa da boyz"
by PoppoMcScuzz August 3, 2012
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To lick vehemently. Similar to the technique used to lick extra icing out of a Dunkaroos container.
My tongue was raw and tender after an extended round of foreplay involving my Dunkaroo technique.

Shares no commonality with the popular "frosting" maneuver.
by Go-Go My Walking Pup August 11, 2010
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Dunking a girls head in the toilet while doing her from behind.
by Dunkaroo King July 28, 2009
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A good looking older man who is “vintage and delicious”.
Stacy’s dad is such a dunkaroo.
by Faraj90 May 20, 2020
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During intercourse, the male will defecate on a woman's chest. After doing so, she will use the male's erect penis as a tool to scoop the fecal matter and insert it in her mouth, imitating the act of eating a dunkaroo.
J- "Yo so last night my girlfriend had a dunkaroo".

C- "I guess she wanted a midnight snack".
by JPlex February 7, 2011
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when you stand over a girl as she is lying on her back and you squat up and down, dunking your cock in and out of her mouth.
She gagged on my dick when i gave her the dunkaroo
by Chris663 October 17, 2008
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the act of taking a huge dump, then scooping it out with an erect penis, then ramming it into a females anus.
"I had 4 dunkaroos lastnight"

"Hey man you hook up with that chick last night"
"Yeah homie, I totaly got that dunkaroo!"
by Big Fox February 3, 2009
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