death ray 

The ultamite weapon of choice for the "evil genius" type of character from 50s Sci-fi films. Usually has the power to "destroy" objects, which results in them suddenly disappearing with an accompanyment of a cheesy sound effect. Also see Death Star.

Don't move! Or...or... I'll zap you with my death ray!
--<>ZAP!!!<>--

death ray by The Black Plague June 27, 2003

Death ray 

Can be used as a noun or verb.
1.) The act of judging someone because of something that was said or done. Victims, on several occasions, are death rayed due to an embarrassing gaffe or faux pas.
2.) A ray of judgment emitted by a judgmental douchebag.

E: I think Christina Hendricks is a fat cow.
A: DEATH RAYING YOU RN..........

Death ray by emskarsgard November 1, 2010

death ray 

A weapon that was actually developed and tested (with some success) by the Japanese during World War II. It utilized a concentrated microwave beam to fry its targets from the inside out. It may or may not have been tested on human beings.

The World War II Japanese death ray was known as the "Ku-Go".

death ray by mrme11 June 22, 2009

Giant Death-Ray In The Backyard 

1)Boredom.
2)to have a GDRITBY: to be bored,
3)to build a GDRITBY, to kill time,
4)to be a GDRITBY, to be an amusing waste of time, an easy ride, or a complete wank.
(it is considered a faux-pass to specify possesion of the backyard in question)
Of Washington D.C./VA/MD (USA) regional origin, generaly thought to have been inspired by an episode of Myth-Busters, and; or the ramblings of a random meth-head who works in a drivethru.

"What are you doing Friday?"
"Not much, just building a giant death-ray in the backyard."
"Indeed."

Giant Death-Ray In The Backyard by Mnemosyne0AV January 31, 2006

Melatonian Death Ray 

Melatonian Death Ray: anything that a black person may be holding at any time, threateningly or not. Actual posession of a Melatonian Death Ray not required.

Running around with a Melatonian Death Ray*. No wonder he got shot.

Melatonian Death Ray by PumpkinQueen Expiring@12 May 22, 2018

Billy’s anti-yma extra ultra magnum quantum laser death ray pulveriser of awsomeness 

The greatest and most powerful weapon in the multiverse, capable of wiping out an quintillions of ymas in seconds

Hey Brendan did you hear that billy, yeah that really cool one in year 9. So apparently he absolutely annihilated that yma girl with his patented Billy’s anti-yma extra ultra magnum quantum laser death ray pulveriser of awsomeness

Billy’s anti-yma extra ultra magnum quantum laser death ray pulveriser of awsomeness by Shisosbegudhdhddh July 12, 2023

Deathray 

Usually a big shaft causing massive damage to the anus of men.

He claims to be gay, so he must have a deathray.

Deathray by OontzMaGoontz October 3, 2018