This is a sexual act that consists of one taking the other's testicles (balls) into his/her mouth and sucking each one quickly and separately and spitting them back out, creating a pleasure-filled ball-sucking experience.
Michael particularly enjoys having his balls sucked on, so he loves it when his girlfriend performs the ball vacuum.

When it becomes boring in the bedroom, Randy and his girlfriend Elizabeth like to spice things up by engaging in the ball vacuum.
by 20Paige07 October 17, 2007
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Slang for masturbating or jacking off, used by those who do not want to say what they are really doing, as in beating off or spanking the monkey. An act in which a man pleasures himself by rubbing his penis until stuff comes out. Usually only able to be done once every 2 hours
hey umm i'll brb i just gotta grab the vacuum for a few minutes.
by Aliroth June 21, 2006
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When performing "doggy style" sex, the man grabs the arms of the woman and pulls back violently. When this happens her face will be thrown down to the ground. Now the man will oscillate her arms right and left so her head moves in curved motion. The man should make vacuum sounds as well. Works best with a dirty floor. Warning: facial rug burn may occur to woman.
"Hey Olivia, where did you get that really bad rug burn on your face?"

"O, that...Oliver performed vacuum style sex last night."
by SouthWest3 January 29, 2009
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Someone who sucks the fun from everything.
In aftershift training, instead of letting us go off the drop slides, the head guard made us practice CPR. Our head guard is a fun vacuum.
by johnny mc awesome August 15, 2009
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A vacuum seal is when a women is getting fucked in her anus, vagina, and giving oral sex at the same time. This is only possible with either 3 guys & 1 girl, or 4 lesbians with strap -ons.
Dude, Me, Joe, and Billy Bob vacuum sealed this one girl last night!
by Brian Begais June 19, 2008
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The mindset that everything in life is meaningless
James was so caught up in an existential vacuum that he hung himself by his shoestrings
by Brian K November 27, 2003
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