Diamond Cutter - an erection so hard that it could polish a diamond
Jeez, here comes suzzanne from the typing pool - Ive got a diamond cutter , its so hard you could engrave a pewter goblet with it
by Rifleman59 April 29, 2010
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PORN SLANG FOR A MALE PERFORMER WHO IS ABLE TO MAINTAIN A HARD ERECTION THROUGH THE ENTIRE SCENE.
"LEX WHIPPED OUT THE BIG DIAMOND CUTTER ON LITTLE BRIANNA.SHE GOT WIT' IT.GOOD FOOTAGE.PUT HER EYE OUT WITH THE MONEY SHOT."
by L.MARTIN August 19, 2005
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For an older gentleman, a really, really excellent erection (so hard it could cut diamonds) that appears as often as a blue moon. Most common when awakening eXtremely early in the morning hours.
Patricia wake up....I've got a real Diamond Cutter here.....and there's only a finite amount of these left!
by Everlast X April 14, 2017
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The hardest erection imaginable.
"damn duke, this girl is saying some raw shit on msn.. my jimbo is getting so hard it could cut fucking diamonds."

"LOLLLLLLLLL DIAMOND CUTTER THATS SUCH A WICKED NAME FOR A HARDON"

by 2D2C July 29, 2008
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A person that is so uptight and anal, that if you gave them a piece of coal to eat they would shit out a diamond.
People who have spent there whole life stressing on dumb shit. These people are uptight and need to take some medication!
by Morton November 10, 2004
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A penis so small that when aroused is hard enough to cut through a diamond, the opposite of a Tim.
Andrew Kevin Martin has a Diamond Cutter, he left those bitches cut up worse then a bunch of niggers.
by Big Six March 27, 2007
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