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The opposite of redshift. Usually to do with electomagnetic waves, such as light. Blueshift is the shortening of the wavelengths.

Will be a result of the sorce moving closer to the receptor or the other way around.
Wack us some blueshift
blueshift by Mr.Universe November 28, 2005
the displacement of the spectrum to shorter wavelengths in the light coming from distant celestial objects moving toward the observer.
The astronomers observed a blueshift in the light emitted by the distant galaxy, indicating that it was moving towards our own Milky Way.
Blueshift by Arminkshipper December 3, 2024

blameshift 

In retaliation, during an arguement, to twist the facts to actually shift the blame to the other person.
John always manages to blameshift when ever we argue.
blameshift by John's mom February 25, 2006

blueshirted 

A slang term for a bleeding asshole after rough anal sex. Named after customer service staff experiences at the overpriced electronics store Best Buy that is currently being wiped out by Amazon.
Hey Skyler that last round of assfucking has me blueshirted.

Shit !!! Don't get it on the sofa. Here have a tampon.
blueshirted by majortomsmodem September 29, 2013

Bullshifters 

The name of Ellis' high school truck club, as seen on his shirt in the video game Left4Dead 2. It is a play on words; "shifters" referring to trucks/cars, and if you haven't already figured it out, the whole word sounds like "bull shitters".
I sabotaged the Bullshifters meeting with donkey poo.
Bullshifters by devlinne February 18, 2010

bullshifting

The act of shifting a manual car to their highest gear and leaving it there regardless of how long it takes for the car to accelerate. The only time a bullshifter would shift down would be at the risk of stalling. Bullshifting is primarily a result of laziness.
Passenger: "Shouldn't you shift down? You're going freaking slow."
Driver: "Nah. I'm bullshifting."
bullshifting by supereboy November 27, 2012
More from Urban Dictionary

Throat Sweats 

The feeling and build up in your mouth/throat of saliva that sometimes accompanies nausea.
Oh man those burritos gave me the throat sweats, I hope I don’t have food poisoning.
Throat Sweats by TacoFings420 April 23, 2024
Word of the Day on October 11, 2026
Being ignored by someone when making a statement or asking a question. Also known as blanked and turfed.
Person 1: Did u watch ** last nite?
Person 2:......
Person 3: O no u got aired!
aired by Pietro February 9, 2005
Word of the Day on October 10, 2026

piddlefart

Instead of doing my homework, I decided to piddlefart around for two hours.
piddlefart by Rene April 25, 2005
Word of the Day on October 9, 2026
anyone who succeeds in disgracing/over indulging themselves in the throws of clubland
28 hours and 4 clubs later, gurning for england but still refusing to go home - a total wrongun!!
wrongun by bevvers March 21, 2007
Word of the Day on October 8, 2026
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