1 definition by Kevin the Impious

D-in-D

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