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the act by overweight people of getting naked and going swimming or havin' a good time in the water. A derivative of "skinny dipping".
Rosie and her friend Oprah snuck into the public pool to go for a "chunky dunk" last night.
by emtak January 14, 2007
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When a skinny man has vaginal intercourse with an obese woman. The skinny man is on top while the obese woman is on the bottom therefore he is dunking his penis into her.
"OMG, I am so horny right now I would even chunky dunk Kirstie Alley!"

"Yo, your mama's so fat even Ruben Studdard thought she was a chunky dunk!"
by yopeacenlove October 15, 2009
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Last night Chris, Amber, and Amy went chunky dunking in Uncle Chewy's hot tub but got kicked out when Uncle Chewy brought back a couple prospects to go Chumura on.
by Sac April 11, 2005
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large and in charge people swimming without clothes on (preferably in the dark)
we don't skinny dip, we chunk dunk!
by nylorac July 11, 2005
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That BBW wanted to go chunky dunking in the hot tub with me. I told her I would, but that I was afraid we'd have to take turns!
by Russell Clark May 19, 2006
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A chunky dunk is the same thing as a skinny dip but for people who have been around the block a few times and aren't "skinny" any more.
Honey, now that we're older, let's go out for a chunky dunk in the lake.
by hisgirl1976 January 16, 2010
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