a dunking donut (dunk-ing-doe-nut) is a proces of fully imersing your own or someone else's balls (testicles) into another persons anus.. the prosess is usually repeated 5-10 times and is said to be quite plesurable..
joe gave sally a dunking donut
by voodoo_shrunkenhead May 26, 2009
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A term used within a happiness and cyanide comic which subtly insinuates the act of sexual intercourse.
In watching a rather curvacious and heavily hootered woman pass by, one man exults to his friend:

Man, I'd love to take her out to dinner...
And by "take her out to dinner" I mean dunk the donut...
And by "dunk the donut" I mean have sex with her.
And by "have sex with her" I mean use my penis on her
And by "penis" I mean staple remover
And by "staple" I mean virginity
by dawg32123212345 August 4, 2008
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A sexual position referenced in by Wendy the Android in the TV show Dark Matter. It is likely a move that relies on the contortion ability of a sex android, whereby the android would backbend into a complete circle while allowing the partner to insert themselves as they are standing or laying intercepted to the formed circle.
Hi Wendy, I would like to try dunking the cosmic donut when you aren't preparing meals on the ship.
by politicalmess October 21, 2015
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When a man in a Jet Puffed Marshmallow suit from Spirit Halloween takes his penis and shoves it inside of a Tim Horton's donut.
Guy 1: "man that sex with Marissa was good last night"
Guy 2: "not as good as doing a dunk in donut!"
by catermélon September 23, 2022
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