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5.
d8
Noun: A date you have with someone over the internet or over xbox live;

usually a designated time to get online to talk to this specific person
"I have a hot d8 tonight!"
"Oh yeah? Where at?"
"Me and HotChick69 are meeting in a private chat-room at 8:30."
"Nice! Maybe you'll get some n00dz!"
by hansonpaulsey November 08, 2009
 
1.
D8
A gesture with one's face that looks like the letter D with his/her mouth, and 8 for eyes. A very mysterious pose, not known to many.
Look at Dave! He's giving the D8 to someone he doesn't like!
by Backlash June 26, 2003
 
2.
d8
d8 is equivelent to the word date.
used in internet chatrooms, or myspace mosty.

also a face when the d is capital.
the d resembles the mouth while 8 is the eyes.
kind of like =3. i'm not sure we know what it means.
you're cool. let's d8

ummmmm D8
by sammy____ September 14, 2006
 
3.
D8
D represents the mouth, 8 represents the bugged-out eyes.

An emoticon used to express (mostly comedic or exaggerated) agony, distress, anger, or suffering.
Usually used in chats.
A- "Hey, wanna come for the party tomorrow?"

B-"Um. I'm so sorry ): I can't go."

A- "D8 WHYYYY!"
by Joy D. Joy June 08, 2011
 
4.
D8
For one, it can be 'date' in chat speak.

Second of all, it can be a smilely with D as the mouth and 8 as the eyes. Not many people know what it means, but I believe it may be an extreme case of D:
Girl texting boy: 'hi, i lyk u! wana D8?!"
Boy: "Uh..."

Person 1: *Cough cough* I'm dying... x_x
Person 2: No!! D8 Don't die!!
by Star of Eikou October 17, 2010