When you perform cunnilingus on a girl while she is taking a shit. It involves the use by a sex partner of the mouth, lips and tongue to stimulate the female's clitoris and vulva while she is making a poo. The lesbian blumpkin.
"Maybe going dumper diving on Rhonda in the Taco Bell bathroom wasn't such a good idea" Bro#1 (hipster with beard)
"Bro, I bet you were a hot mess!" Bro#2
"Bro, you can say that again!"Bro#1
"Bro, I bet you were a hot mess!" Bro#2
"Bro, you can say that again!"Bro#1
by Cherryrainbow August 20, 2011
Get the Dumper Diving mug.When someone shoves their hand deep into a partner’s anus in a clumsy, uncontrolled way while trying to retrieve a condom or toy.
by ppglazer67 August 13, 2025
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Dumper Diving
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"My IQ is ultra mega giga alpha omega ogiga ultimate super duper extreme terrific very godly divine exquisite unlimited infinite perfect masterful destructive infernal devastating world-ending high."
by Loud Dumbass April 12, 2022
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