Red-Shift 

An overdose of viagra. Enough that your penis bulges at almost twice its normal size and almost bursts. It is called 'red-shift', as all the blood shifts into that dick. A play on the physicist term, which is the changing frequency of light.

Ah shit, I feel light-headed. 4 pills was too many. I think I'm gettin' a red-shift.

Red-Shift by Fat Rat n' Crumpets March 15, 2019

Red Shift 

The reddening or decrease in frequency of light from distant galaxies due to the Doppler effect, indicating that they are moving away from us. The red shift can also take place via expansion of empty space, as in the expanding universe. The opposite of blue shift.

Most galaxies are red shifted, this tells us that our universe is expanding.

Red Shift by OneBadAsp October 21, 2006

Red Shift 

n. The political change of the United States in favor of conservatism, specifically relating to the 2004 election, with the re-election of George Bush, and the loss of John Kerry, the great gains for Republicans in the House and Senate, and the voting to ammend the constitutions of 11 states outlawing gay marriage.

Not saying it is good or bad, in fact, for me, Red Shift is a mixed blessing (damn my centrist view).

(this makes reference to the red states being pro-GOP, and the Blue, pro-Dems)

See Blue Shift

The Reagan era was a period of red shift.

Red Shift by Aktopus December 8, 2004

Red Shift 

The week that your girl is on her period.

"Hey Johnny, did you get laid last night?" "Nah man, Becky is on the Red Shift this weekend."

Red Shift by Brew all day January 24, 2017

Red Shift 

A red-shift in the light from a star shows that the distance between us and the star is increasing. The bigger the red-shift the faster the star is moving away.

Student: "Teacher what is red shift?"
Teacher: "Red shift is the wavelength of the light that is stretched, so the light is seen as 'shifted' towards the red part of the spectrum. "

Red Shift by Dr. Annole March 21, 2023

Red Shafting 

The act of over Rusty Shafting (a 'ewan' entering from behind, thus making his 'shaft' 'rusty' or 'browned' (covered in excrement) in the process.)

Ewan - "Pounded your Mum so hard last night that she ended up making my pole red!"

Jack (Friend) - "You were Red Shafting my mum?"

Ewan - "Hell Yea!"

Jack - "Cheers, she needed that!"

Red Shafting by Paco-dude July 3, 2009

Red Shaft

The act of a woman jacking off a man with sandpaper, thus creating the "red shaft"

So I was finally asked out by Billy last night. Everything went well, food was good, and we went to an awesome concert. But it all went downhill in the bedroom when he asked me to give him a red shaft.

Red Shaft by A Wave of Babies TWAS February 23, 2009