A heavy-metal hand gesture, in which the subject holds out their hand(s), palm up, fingers broadly curled inward, as if clutching an invisible grapefruit, or an orb of majestic evil power (still invisible).
When the throwing of horns got co-opted by the widespread public to the point where they were often seen from Jonas Brothers fans, Lord Blaspherion G. McSatan decided to adopt a more metal-centric hand gesture: the invisible grapefruit clutch.
by Tyrannorabbit July 5, 2009
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What happens when you throw a grapefruit from a vehicle that is traveling 75+ mph. The grapefruit must roll when it hits the ground (as opposed to "splat", in which case you just smashed a grapefruit which any drunken monkey can do. congrats, you fail at life). The centrifugal force from the spinning causes the juice to push on the skin. After a few seconds of rolling the grapefruit will explode. Warning!!! Geting caught preforming the spinning grapefruit of doom has more dire consiquences than preforming a steaming teakettle on a unsuspecting victim. (charge: "launching a missle from a moving vehicle", possable felony)
"Dude, did you see that spinning grapefruit of doom take out that satanic bunny"

"Great aim, let's try a cantalope"

by coffeepusher November 26, 2006
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1. A term to act as a contrast to something you'd rather not do.
2. A horriably painfull experience.
"Are you going to fuck that girl Mary?"

"I'd rather give myself a grapefruit spoon labotomy than fuck Mary!"
by candyskull April 22, 2009
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1)When a man has elephantitis of the testicles and they become the size of a grapefruit.

2)When a man gets laid a lot and people blame it on his 'Vanarial Grapefruit's.

Dude that guy has got some 'Vanarial Grapefruit'.
by negroshima January 5, 2007
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An egregious overcharging perpetrated on a captive audience
The high price of life-critical drugs in developing countries is a thirty dollar grapefruit of the highest order.
by Mr. Grapefruit October 25, 2008
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