Six Digit Number 

Refers to the number ID of an hentai manga on the website nhentai. Typed in this way: nhentai.net/g/(six digit number)

"Bro, give me the six digit number of this hentai; I want to use it tonight."

Six Digit Number by Lolilewder July 23, 2020

six degrees of wikipedia 

The theory that any two subjects on the wikipedia are connected in some way by clicking on the links of the articles.

An example of the six degrees of wikipedia would be something like going from Kevin Bacon to Entertainment Weekly to Sean Connery etc, etc.

six degrees of wikipedia by Sholom22 November 11, 2006

six shades of ass 

1.The worst stench a dirty,unwashed, foul human being can conjure up and offend another human being with

2.A extremely foul smell

The wino bum smelled like six shades of ass after not bathing for 2 weeks

six shades of ass by refriedbiff August 16, 2009

Six Way Chili

The act of six people simultaneously evacuating their bowels onto each other.

My friends wanted to order some food for dinner. We ended up settling for the old Six Way Chili. The whole place smelled like shit.

Six Way Chili by AN0SEater December 22, 2020

Six Fish 

Six Fish is a phrase you say to someone that has just farted. The person that farted has to then name six different fishes.

In the mean time you get to punch him as hard as you can!

"Six Fish" (Punch away until the person names six fishes)

Six Fish by yao_pwnage May 23, 2006

six-eff 

Verbal variant of FFFFFF, which is the hexidecimal color equivalent of pure white. A slang term used by techies to describe the whiteness of a caucasian person.

That guy's so white he's six-eff.

six-eff by A.Sma January 26, 2007

Six Flags 

Best fucking place in the world. Has rollercoasters and overpriced soda.

"DUDE! Let's go to Six Flags and ride some stuff"

Six Flags by Anonymous August 2, 2003