A sexual move where a man puts his hand into the Vulcan "V" shape like Spock from Star Trek - two fingers together to the right and two fingers together to the left with a V shape in the middle. Next, he places his thumb on a woman's clitoris, inserts his pointer finger and middle finger into her vagina, and inserts his ring finger and pinky into her anus. He then shakes his hand vigorously until she orgasms.
Bill: "Did you have sex with Rita?"
Ted: "No, but I gave her the Vulcan Handshake until she screamed for mercy!"
by Random Perv March 12, 2009
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When you eat spicy food (mainly), and the next day you use the restroom, you get vulcanic shit (feels like molten lava).
I went to the seafood restaurant the other day, and the next day I got Vulcanic shit.

Fckin love spicy food! ♥......but hate fucking flaming diarrhea FML LOOOOOOOL
by DYSK December 8, 2011
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When a male is having fellatio performed upon himself, he holds his partner's head in the mind-meld position. If successful he will learn if his partner is grateful for the gift he is giving them.
I turned it into a Vulcan Blowjob. Turns out she's a keeper.

I turned it into a Vulcan Blowjob. Aparantly I shouldn't eat asparagus.
by AtomicPenguinCatcher October 16, 2010
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a sexual act when one straddles the face placing the balls in the eye sockets and the penis in the mouth...........resembling the three in a "v"
the man has to be facing the way of the recipients feet.....
Nic gave that bitch a vulcan snorkel...........although it caused her to choke and she couldn't see shit.
by jere from smackjab April 18, 2008
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Big dick energy that bad ass rides aim for
Did you see Bryan on that Kawasaki Vulcan? He's got that BDE.
by KVULCAN March 24, 2021
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To remove one's self from feeling and emotion during a time of great feeling, as for an example the death of a family member. The purpose being that the individual does not want to experience that certain emotion(Based off a species "Vulcan" from the show Star Trek.)
it was a Tuesday morning during the wake, bob turned to Billy and said, “Do you see Jake over there, he hasn’t cried once at his own mother’s funeral.”

“That’s because he is being Vulcan”
by Corey Protin January 1, 2009
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