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1.
a severely uncool soccer-mom style white mini van, usually driven by a teenage boy.
I can't believe your mom's making you drive her beluga! That car is so lame!
by Beluga Boy May 05, 2009
 
2.
An overachieving student. A cute little lad/lass who gets frantic when they are late for class. A beluga is sure to put homework first and often get emotional about homework.
Kendrick: "Awww! Look at Alie running to class!"
Marlo: "She's such a beluga!"

Andrew: "Lets talk about homework and teachers and stuff! Omg!"

Kendrick and Marlo: " Aw Andrew you're a beluga!"
by Marlolikestrees December 06, 2012
 
3.
Beluga is often used to descride someone that is festively plump. It was originally said to confuse someone. This was the ultimate diss.
"Oh My God!! Look at the Beluga Whale. What a Fat Bitch!!"
by Parker October 17, 2003
 
4.
noun - Beluga is an athlete in the open water swimming community who weights 200 pounds (90.7 kilograms) or more. Its equivalent in the triathlon and road running worlds is referred to as a Clydesdale who competes in the Clydesdale division.
That beluga has a lot of stamina in the ocean, but he really excels at swimming in cold water.
by Swimmer5 January 16, 2013
 
5.
The most beautiful girl ever, from royal descent. usually considered the prettiest of the feminine goddesses.
That girl is so beluga.
by Harvard Grad May 09, 2011
 
6.
Unintentional fart that cannot be suppressed or silenced. Qweef of unmatched greatness in smell as well as in volume. Smell constant in putredness and longevity, lasting up to three minutes in length. Usually leaving a stain or residue on the inner lining of the underwear.
The beluga came out of nowhere I almost shit my pants. I hope Nancy didn't see.
by El Sancho Panda August 26, 2004
 
7.
A group of noble men whose sole purpose to tell the greatest stories of all time.
Look at those pimp-ass, motherfuckin Knights of Beluga.
by Sir Kickass April 07, 2004