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noun.

The big, thick, weighty penis that your Dad has, and that you don't.
"Hey Cam., do you think we will ever get Dad Dong?"

Remember when you were a kid showering with your dad? His penis was always enormous, and you always wondered how come yours didn't resemble his at all.
by D in V December 12, 2008
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Dec 1 Word of the Day
"Man fuck Donald trump, he wants to build a wall and don't pay taxes!!"
by January 30, 2017
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