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When you are having sex with a woman and you "accidently" or on purpose slip out of the vagina and go into her ass. She then makes a noise similar to a dolphin.

Aw man, last night I totaly pulled a dolphin dip on my girlfriend. She was so pissed.

Can be used as Dipping, Dipper, Dipped
by OOOOSNAP November 16, 2008
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