cloud nine 

The state of being out of your head because you have recently fallen "in love."

My friend Elena decided to take more calculus classes because she was out of her mind on cloud nine.

cloud nine by Tawnos January 17, 2005

suck my nine

A euphemism for "suck my dick" - nine is generally considered the ideal length for a man's schwanz.

Jake: You are fat.
Sarah: Suck my nine bitch!

suck my nine by tainted2788 May 17, 2006

sixty-nine

1.A number inbetween 68*sixty-eight and 70(seventy)
2.A sexual position involving a man to be upside down (or vice versa) with a man using his tongue on the girl and the girl is sucking the guys dick.

chick:Oh a little to the left...
man:sixty-nine?
chick:sixty-nine!!!
man:ahhhhh yes yes oh yes!!!
chick:ahhhhh oooooooo yes YES!!! YES YES OH YES!!! DONT STOP!!! KEEP IT COMING!!! OOOOOOOOOOOOOOOOOOOOOOOOOO!!!!

sixty-nine by J. J. Rockin' Man May 22, 2005

Number Nine 

Another name for a girls clit.

"Goin' down to her number nine."

Number Nine by MatthewJames June 24, 2008

Porcine Sixty Nine 

When two squad cars park side by side so as to give each driver clear access to one another for purposes of social intercourse.

Porcine Sixty Nine by Ted in Evanston October 27, 2003

nickle nickle nine 

The area code of the city Visalia in California 559 or Nickle Nickle Nine

Hey where are you from?

Nickle Nickle Nine or Visalia

nickle nickle nine by Chikis777 March 14, 2009

Ice-Nine

Ice Nice is a kind of ice (according to Kurt Vonnegut's book Cat's Cradle) that will turn any other liquid material at room temperature into ice with the same properties...

and because of that it is capable of destroying life on earth

Free bag of Ice-nine with 6-pack

Ice-Nine by Vaskafdt June 24, 2007