Abbreviation of "Dick-in-Dick," the popular sex act wherein one man's penis is inserted into another man's.
"I thought you said 'D-and-D,' not 'D-in-D.'"

"--What did you guys do last night?
--D-in-D.
--Ouch."
by Kevin the Impious June 20, 2010
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Big-Flappy-Donkey-Dick-In-Your-Butt
yo bro, how did your girlfriend like that B-F-D-D-I-Y-B last night ?
by andy <3 - DD June 2, 2013
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The act of mimicking or taking another's characteristics, style or traits.
Shaquisha " Girl remember when Laquiqui was wearing that Prada purse..." Jaque " Ay yo man... remember when Lamar started using the word

Shanaynay " Yeah..." YOLO right after Shereed started using it... "
Shaquisha " weeeeeel... Tayjia is wearing that SAME purse girl! " Ra Ra " Yeah cause he a D-Boy "
Shanaynay " She a D-Girl " They both laugh.
Shaquisha " Mmmmmhmmmm "
D-Girl/ D-Boy
by LegendS.W.A.G. July 5, 2013
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Steve Hmmm.. What's the Google PageRank™ Algorithm again Pete?
Pete PR(A) = (1-d) + d (PR(T1)/C(T1) + ... + PR(Tn)/C(Tn))
by Spertipoo January 19, 2018
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An abbreviation for, “Bro, I just dumped a fat load down my dog girlfriend’s throat.”
B I J D A F L D M D G F T. I was epic.
by Gregegg Heefflar May 25, 2020
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