Top definition
The symbol for the number zero, which is often incorrectly equated to mean nothing or nothingness—zero and nothing are conceptually two different beasts.
The number 0 and the letter O look like fraternal numerical twins—no doubt, the naked eye often can't figure out which is which, mistaking one sexy curve for the other.
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by MathPlus December 15, 2016

### The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

2
The digit you press if you want to speak to a "customer service" or call center staff directly, instead of waiting for the automated answering machine to tell you what to do.
To save time dealing with an impersonal answering machine, simply press "0" to get you straight to a human being to waive that annual fee for your credit card.
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by MathPlus February 05, 2017

### The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

3
The number of fucks that one gives.
Person 1: Excuse me, sir, can you spare a fuck?
Person 2: I am truly sorry, I have 0 fucks left.
by gnodaB November 06, 2013

### The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

4
A number donating nothingness, the absence of anything at all.
0 isn't nothing, it's a number.
by Anonymous May 30, 2003

### The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

5
Where Captain Planet is taking pollution.

Person A: hey, can I litter here?
Person B: yeah, don't worry about it, Captain Planet will take it down to 0 for you.
by Curtbash July 28, 2008

### The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

6
The number before 1 but after -1
Without this we would be nothing
-1 0 1 The normal sequence of numbers from -1 going to 1
by Edward Blair May 04, 2006

### The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

7
1.) A number that comes before 1

2.) Leet for O
L0L
n00b

012345
by XiTER May 26, 2003

### The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.