SIBFO 

Pseudo-scientific acronym for Spinal Indentation Belly Fat Overflow. Sometimes referred to as "Crack", "Ass Crack", "Ass Cleavage", "Butt Cleavage", or "Butt Crack." This malady was first diagnosed on Puff.com.

John Goodman had some serious SIBFO goin' on when he was on Roseanne.

Dude, pull up your pants, too much SIBFO.

That chick's spinal indentation belly fat overflow was huge!

SIBFO by Twang Lova' September 13, 2011

Sibombe 

An extremely bad pronunciation of the German 7B (Sieben b), caused most of the times by indianness.

Dude, did you just hear Janani say Sibombe to the waitress? She was totally shocked!

Sibombe by iamclearenough October 30, 2013

Sibdog

A cool guy who teaches kids life lessons like how to style their hair and wear the best clothes. He likes to speed walk everywhere shaking his shakira hips. His bald spot is shinier than anyone’s future.

You sibdog taught me how to say ‘tickaroo’ today. Man he’s such a cool dude.

Sibdog by Sibleys lover October 23, 2017

Sibyo 

The most handsome guy once you meet him. You think you found the most handsome person but meeting him will change your mind. He can make ladies think twice about their boyfriends because Sibyo is always the best.

Tobs: sino pinakapogi sa buong mundo?
Ciren: yung sa BTS!
Brely: Mali, si Sibyo!
Tobs: Haha tama ka brels, oo nga legit!

Sibyo by awitsayo April 24, 2023

sibora 

Sibora, one of the most scholarly, they believe in people even when they don’t believe in themselves . They put on a snappy front but everyone knows deep down they are kind hearted. Everyone appreciates their constant spread of knowledge and advice. They’re a great friend And everyone knows how smart they are. They will not hesitate to help you with any homework or any task in general.

Sibora is such an amazing friend, she’s always there for us.

sibora by 100% Not Sam October 8, 2020

Sinfonian 

"THIS IT IS TO BE A MAN OF THE HIGHEST TYPE. TO BE AND NOT SEEM; TO DO AND NOT SIMPLY TO TALK;
TO HAVE THE RIGHT IDEAL, THE TRUE MOTIVE AND PATIENTLY TO TRANSFORM CONDUCT IN ACCORDANCE WITH IT
SO LET IT BE FOR SINFONIA."
- Ossian Everett Mills, March 15, 1912

A Sinfonian is a member of Phi Mu Alpha Sinfonia. This is a fraternity of musicianly men who strive for the advancement of music in America.

Are you a Sinfonian?

Sinfonian by Crabs February 13, 2005

Sibbons 

A person with such a bright red face that It can be known to glow in the dark.

Person 1: "OMG can you see that guys face glowing in the dark?"

Person 2: "Indeed, he is such a Sibbons!"

Sibbons by TheFlock January 2, 2010