froshman negative fifteen

for those girls of beauty and wonder who appear to eat a lot at times, but magically never gain a pound. frequenting the gym often in colourful tanktops and "planking" to la roux with the occasional "dead muscle," they find themselves pushing each other harder than they ever did in high school, so clubbing together in the summers will not only be enjoyable, but also rewarding.

Fat chick: man that girl got a froshman negative fifteen. i wish i could have her determination.

by skinny-bitch January 26, 2011

number fifteen

The act of fornicating in a coffee shop when exactly Two US Marine Corps veterans are present and a nun is there to bless the ceremony. Whipped cream optional.

Me and my girl totally did a number fifteen at Starbucks today. Yolo.

by Pseudonammeelolz September 13, 2013

Fifteenty trillion

An extremely large number, more than eleventy billion.

I'm so hungry, I could eat fifteenty trillion of those cupcakes.

by Nick's gf April 24, 2010

Fifteen

Fifteen is a slang word used by white people to inconspicuously refer to a black person. Rumor is that it originated because 15 is the number on the black crayon in a box of crayola's.

Luk you stole my seat, you're such a fifteen.

by Smack69 November 20, 2007

Fifteen cents

$15 worth of drugs

by Lehem October 18, 2003

Fab Fifteen

A huge party for a girl at 15 to celebrate growing up. Similar to Latin American Quinceanera or the Sweet 16 party common in the USA.

She decided to have a Fab Fifteen instead of a Sweet Sixteen.

by claraCooper July 22, 2011

Fab Fifteen (Noun)

A group of 15 highly attractive girls that all live in Massapequa and graduated from Massapequa Highschool in 2004. All gemerations look up to them. They are the most popular group of girls on Long Island and know a great deal about partying.

"Yes! The 'Fab Fifteen' are coming!"

(Other nicknames of the Fab Fifteen are as follows: Fabbers, Baf51, Fab15, Fabulous Fifteen, The Fab, etc.)

by Samantha March 23, 2005