When you and your partner (boy or girl) are in the ocean and you take your bathing suits off and are completely naked and you have anal sex and the one receiving screams like a dolphin.
"Yo when I was on vacation, the one day there weren't any people at the beach so me and my girlfriend went in the ocean and I gave her a moaning dolphin."
"Nice"
by Jamarcus Fat March 23, 2010
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