solid nine 

A girl who is always a nine. Even when she wakes up after a night of hard drinking.

Solid nine: Am I beautiful?
Guy: You're the hottest girl I've ever seen.
Solid nine: Even though I have vomit in my hair.
Guy: Yep.

solid nine by BillBrasky March 28, 2006

six-point-nine

Sixty Nine that is interrupted, cancelled, or postponed by a period, also written as 6.9

Man, me and Amy were about to do some wild shit but she pulled a six-point-nine on me.

six-point-nine by TheModernDanielWebster November 29, 2016

three six nine 

According to W.E.B. Griffin the term Philadelphia Police officers use to ID themselves to other cops

"I told him I was 369 but he made me pull my badge"

three six nine by dcs February 7, 2005

sixty-nine

Sexual position where 2 people of any sex perform oral sex on each other at the same time

d00d did you see that pr0n movie where those 2 girls did a sixty-nine?

sixty-nine by Ge64 August 26, 2005

stacking nines 

Snitching

The Greek was stacking nines and now no one talks to him.

stacking nines by Gang guru November 22, 2013

sixty nine 

sexual position where both partners are performing oral sex on each other at the same time

You talkin bout six, to the nine indeed - LL Cool J "Doin It Remix"

sixty nine by that dozen April 30, 2005

a stitch in time saves nine 

a saying which means that it is better to deal with problems immediatly rather than later as things will worsen and take longer to amend

Your mother sells whelks in Hull

a stitch in time saves nine by One Eyed Milkman June 7, 2004