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.
by Peter Oh March 26, 2005
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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"
by Umbongo - England March 30, 2003
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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!
by iamdapimppanther October 11, 2011
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A filthy cuss name for the male genitalia.
"I sucked on his dong all night, and it was good..."
by Don't Touch Me December 8, 2001
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REALLY !BIG! PENIS
I real penis of a person
12inch plus!!
You are such a dong!!
i have a dong
by Tom. N March 20, 2005
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When two big,enormous balls such as "the ball sack" collide to bring an excruciating experiance.
Peter donged when he fell down from judo; it hurt a lot.
by Petes March 7, 2005
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The opposite of a low-rider vehicle, a dong in the urban setting, particularly inner city areas, is a coupe or sedan with extremely large diameter wheels and very low-profile tires. Fanciful variation of a whip to cartoon-like proportions.
A typical "dong" will be any 1980s Oldsmobile car painted in a unique color and featuring 30 inch--or larger--wheels or spinners (wheels with separately free-rotating hubs).
by Heavy1974 October 6, 2006
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