When a guy grows pubes so long and bushy that his penis resembles one of the cast of Duck Dynasty.
He hadn't trimmed his pubes in at least a month, so when I went down on him, I didn't know if I was looking at Uncle Si or his Dick Dynasty!
by Trinity minion September 30, 2013
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When you sleep with more than one member of his family.
At this rate Taylor's been through the father, son, AND THE UNCLE....she's building up quite the dick dynasty!!!
by Stephaniyah Spieyeinayah March 16, 2017
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