Top definition
1. The penis.
2. The unit of currency of Vietnam. At press time, 1 US dollar is roughly 15000 Vietnamese dong.
For about 500 dong, an Asian hooker will let you stick your dong in her ass.
by Brown Sugar March 18, 2003
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2
The word for a large penis, as opposed to wiener, which mkes it sound short.
I have a dong.
by wouldn't you like to know February 11, 2004
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3
Ding, dong; ding, dong
by Tom March 15, 2005
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4
1. As coined by Michael of Vsauce:

Do
Online
Now
Guys

An application, game, program, or other feature that you can use the internet to do. Usually, a DONG is simply an interesting timewaster, or a cool effect.

2. A penis.
1. "Well, we're going to need a DONG for this one."

2. "STOP LAUGHING AT MY DONG! It's not that small..."
by Topbutt July 05, 2013
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5
50% of a doorbell.
by THEΘDΘRE March 21, 2010
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6
Slang; see penis. Often used to describe a large penis, it can also be used to describe a "average-sized" one or a small one.
My husband's dong is tiny.
Did you see his dong?!
My dong is massive and powerful!
by Chantal Charisse July 28, 2004
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7
The Penis.
by Mike "Skeptickal" Siraco April 26, 2003
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