redshaft 

hitting your shaft to hard and causing irritation, during masterbation.

I got a redshaft lastnight from angela, she hits hard

redshaft by xgf February 18, 2005

redshift 

The greatest background character in underground internet history, from hacking to writing many parts of the anarchist cookbook.

"Holy shit, is that redshift?!?"

redshift by Clay May 9, 2004

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

Redshift 

When an State, County, Or country becomes Increasingly conservative after a Long Period Of Liberal Majority.

Man, America Is going through a serious redshift right now, am i right?

Redshift by The Spider Is a Lie. April 15, 2019