The acronym for (Things to) Do Online Now, Guys. Made famous by VSauce, a YouTuber.

It can also be used as a noun, respectively.
"Hey, man check out this DONG!"
"Woah. That is an amazing dong."

-WARNING-

THE PREVIOUS QUOTE IS NOT WHAT SHE SAID.
by mintyfresh9080 May 07, 2012

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The penis, but not in a sexy way
"As dusty as a dead dingo's dong" (Sir Les Patterson)
by Edna Sweetlove September 18, 2006

The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

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1. A vulgar synonym for the penis, most commonly used as a term for big phallusses.
2. The currency of Vietnam.
3. Part of the onomatopoeia for the sound of a bell: "ding dong"
1. He has a big dong.
2. The Dong is worth very little.
3. "Ding dong!"
by Matryoshka May 26, 2016

The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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This is cool free stuff you can Do Online Now, Guys.
Check out these Cool DONGS Bro I found On youtube!
by theshadowhand August 31, 2014

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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To hit someone on the head of the penis, causing immense pain.
Phil was getting on my nerves so I donged him.
by roberto765332 January 21, 2011

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

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

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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A 7th grade word for a dog and for a guys downstairs
Um... look at that cute little dong!!!!!
by Tacolady123 July 02, 2016

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

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

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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A slang term used by the daily fantasy writing community to describe a home run in the game of baseball
Mike Trout hit a 420 foot dong tonight
by RSandersRX May 27, 2015

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

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

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt