An international temperature scale term. Fahrenheit is still used in North America.
This term now means "The sexiest woman in the world'" She must be exotically beautiful, smart, confident, an able to raise the temperature 10 degrees, just by entering a room!
She's Celsius! She's got calm confidence, bootyilicious beauty, sensational style, and a pleasurable personality!
by Knowledge Doctor May 3, 2008
1. Name for a girl who is willing to show her boobs on a webcam but not her face

2. Whoreslutbitch
"lulz i show meh b00bz but no face mi namez Celsius"
by Forthereallulz222 April 8, 2009
1: A carbonated alcoholic beverage, also known as seltzer.

or
2: An energy drink by the name of "Celsius".

These two terms are completely interchangeable,
"Hey Devon I'm gonna go grab a Celsius"
by OmidLive November 5, 2021
Getting a ''bad'' grade (in the average celsius temperature, 0-50)
in opposition to a Fahrenheit grade which is a higher grade.
Pomp : Frank! how was the physics exam?
Frank : eh.. not that good. I'll get a cold fahrenheit grade.. How about you?
Pomp : Never been so bad! Celsius grade for me!
by black-lake represent May 22, 2008
"my defense of fahrenheit is that 69° is ideal weather in fahrenheit but dead people weather in celsius"-Sun Tzu, The Art of War
"Hey dude check this out, "my defense of fahrenheit is that 69° is ideal weather in fahrenheit but dead people weather in celsius"-Sun Tzu, The Art of War"
by octopine December 7, 2020