fettucine 

an undercover agent. a spy.

he actin weird....he a fettucine! go! go! go!

fettucine by Murphizzle McGrizzle November 9, 2003

Fettucine 

Someone or something that is fake, fraudulent, and/or fugazzi.

“Do you believe this kid?”
“No, he’s cousin fettucine.”

Fettucine by Akak1234 April 11, 2019

fettucine-in-a-taco 

Looking for evidence by going undercover inside a woman's vagina that you wouldn't otherwise go into.

My friend wanted to know if his woman was cheating on him, so I fettucine-in-a-taco-ed her to find out.

fettucine-in-a-taco by Beta Fippel December 30, 2008

Nigga Fettucine 

Sexy Nigga With much of the strength and can slurp a whole gallon of fettucine alfredo and stores it in his pussy pocket

Troy is a faggot because he doesn’t eat all of the fettucine like a nigga fettucine and he doesn’t store it in his pussy pocket because he is gay

Nigga Fettucine by ThiccNiggerMidget April 8, 2019

fettuccine-sized slit 

The holy grail of labial proportion. One that has been cooked al dente that makes you want to jump in head first and eat until you're satisfied. Its proportions follow the natural patterns of the Fibonacci Sequence.

Michelangelo was regaling his tale when he was graced in the presence of the holy grail of vaginal slits; it was the fettuccine-sized slit of April O'Neil. When asked by Leonardo if it was prepared to ephemeral perfection, Michelangelo simply replied, "Al dente."

fettuccine-sized slit by zeezer43 June 19, 2021

Fettuccine 

Fettuccine is another adjective for making money. Due to its high value ingredients that are often spoken highly by rappers, (Pasta, Mayo, Chicken, etc...) fettuccine is describing your riches beyond belief.

Daeshawn: "Dam son where'd you get all that money from?"
Tyrone: "C'mon son. You know I been fettuccine chefin on the low."

Fettuccine by $Tay$ November 27, 2017

fettuccine Alfredo

When you cum in a girl, and keep fucking her until your dick is floppy and soft. Like a spaghetti.

Jon: "I totally fettuccine alfredo'd my girl last night!"

fettuccine Alfredo by Patoat August 10, 2016