Top definition
A variation of the 69 in which the female holds the male off the ground upside-down and backwards by his ankles. The man rubs the back of his head in the females vaginal region whilst the female eats the butthole of the male.
Hey Claire, let's do a d9 tonight for a change!

Hey Chet, sounds like a plan!
by theman jtl January 31, 2010
Get the mug
Get a d9 mug for your buddy Callisto.
buy the domain for your diy vlog