dong 

Slang word for 'penis'. Not to be confused with the the other male navigation organ the 'brain', (though often they can be used interchangably).

Also the sound when a musical bell is struck.

Sisquo - "Let me see that dong-da-dong-da-dong"

dong by Umbongo - England March 30, 2003

dong 

Its a slang name for a penis. NOT A DILDO!!!

he had a small dong

dong by asshat January 22, 2003

dong 

When two balls within the ball sack collide to create an excruciating experiance.

Peter fell down from Judo; he donged while he fell down.

Peter donged in your face.

dong by Peter Oh May 13, 2005

dong 

A filthy cuss name for the male genitalia.

"I sucked on his dong all night, and it was good..."

dong by Don't Touch Me December 8, 2001

Dong 

Vietnamese currency. Equivalent to the US Dollar.

That Vietnamese dinner will be 25 dong. Please pay at the register.

Dong by steve May 13, 2004

dong 

adj: to be completely done with something, moment in which one is over an idea or fact, to be contently filled with food, or can be used to show that one is ready to move on to the next subject or matter at hand.

I'm so fucking dong right now.
Dong and dong.
Me:" Hey, are you dong yet?"
You: "No.... (5 seconds elapsed) alright, dong."
Dong!

dong by iamdapimppanther October 11, 2011

dong 

REALLY !BIG! PENIS
I real penis of a person
12inch plus!!

You are such a dong!!
i have a dong

dong by Tom. N March 20, 2005