D-dimer

When you spill Nesquik on the counter and snort it for lack of having something else to clean it up with.

My usual 3am chocolate milk run was almost foiled when I overfilled the glass with Nesquik. I didn't have napkins so I D-dimer'd that shit up.

D-Boi

Nickname for D-class personnel, usually used in the steam game SCP:SL. Short for D-Class hence the avatars assumed gender (male)

Nerd: "NO D-BOI WE'RE SUPPOSED TO WORK TOGETHER TO ESCAPE THE FACILITY"
D-Boi "ha-ha COM-15 go bang-bang"

d-tour

Having sex.

Where's Kadie?

Oh, she's taking a d-tour, she'll be back soon.

D-Walk

The douchebag rendition of the crip walk.

oh look! he's attempting to c-walk, MORE LIKE D-WALK BOB

Genetical D

Genetical D is the definition of huge, enormous penis which someone has got from genetics from his father.

guy #1 - duude, are you okay, that Genetical D is huge
guy #2 - yeah, i know dad, it's big, but is genetical so...

d-gulled

The act of performing an underwater "blowjob" until the point of ejaculation.

I went to the cabin this weekend and I got d-gulled in the hottub!

ios7'd

The act of redesigning an app, website, or interface to a modern and flat style.

"Woah, Apple just iOS7'd their website."