66 

66 = FF. which stands for Fuck Fascism.

anarchist, marxist, primitivist, vegan, feminist, antifa solidarity! 66.

66 by bashthefash January 6, 2011

66 

Upside down anal sex from behind

Bob and Doug were both horny astronauts so the decided to 66.

66 by saskriders January 7, 2012

66 

Refers to homosexual anal sex. "66" is a graphical representation of two partners of the same sex (with a derivation similar to that of 69, only with equal digits). Usable as a verb or a descriptive noun. (Variations include "to go 66.") Also possibly 99.

Those gays were going 66.

66 by Brown Sugar March 18, 2003

66 

a gay version of 69; a sexual position of a couple

"how about we're on for 66 when we came home?" "not tonight boo"

66 by thelegalmalik January 21, 2016

66 

A much cooler way to type ^^

lol 66

66 by doopey December 9, 2008

66 

A huge ass thing of alcohol. Serves about two.

"Hey Tina, are we drinking that 26 at your party?"
"Fuck no, we got us a 66 of vodka, yummy..."

66 by ilovealkyhawl December 30, 2005

66 

The 1966 Cadillac DeVille.

My 66 hops higher than yours!

66 by - D - June 18, 2006