3:D 

A smiley face with an asshat. It can be taken various ways. Most often used as a happy and silly expression. But other times it can be taken as an offense, calling someone an asshat. Lastly it is sometimes used to make a person feel better about themselves when someone complains at them for something they did.

1. Bill: Dude I won the internetz!

Bobby: 3:D

2. Bill: I cheated with your girlfriend.

Bobby: 3:D

3. Bobby: cheated on my girlfriend? You bastard!

Bill: 3:D

3:D by Thrifty October 13, 2006

3:D 

An emoticon for Boo, the ghost character from the Super Mario video games.

*Luigi signed on at 12:11 AM*

Luigi: Mario, I'm-a so glad I finally got rid of all the Boos in-a my mansion.
Mario: You missed one... 3:D
Luigi: I'm-a talking to... a Boo?! O_O
Mario: lol jk-a!
Luigi: Phew!
Mario: But how can you be sure?... 3:D
Luigi: Really?!
Mario: lol-a jk!
Luigi: Mario! >:( So you were just-a trying to scare me cause-a you're jealous that I got the mansion and not-a you? Well I finally got-a something for myself, you should-a be proud of me!
Mario: idk you tell me... 3:D MWAHAHAHAHAHA!!

*Mario signed off at 12:14 AM*

Luigi: AAAAAAAHHHHHHH!!!!

3:D by WhoDat?! July 12, 2013

3-D

The 3-D, commonly reffered to as the "triple D" or "3 dimensional date". This is a term used when trying to get with a girl.

3-D consists of:

1. Dinner
2. Date (dinner could be date or a movie, ect)
3. Dickwet

that's all you need with a girl.

Also... The first 2 D's are "optional".

"yo Joey what's goin on tonight bro?"

"3-D baby!"

"word, tell me how the 3rd D goes!"

3-D by BeezyB603 February 2, 2010

3-D Glasses Whore 

Someone who puts pictures of themselves on the internet with them wearing those cheap, plastic 3-D glasses from the theaters.

"Did you see Becky's new default on MySpace? She's wearing those awesome 3-D glasses from when we saw that movie!"

"OMG she's such a 3-D glasses whore!!"

3-D Glasses Whore by BurningCouches December 20, 2009

3-D pornography 

The reason youll probably be buying a 3-D t.v. Will also lead to less men cheating on there wives and more time in their den.

Best Buy ad: Now only at best buy. New Samsung Full 1080P 3-D T.V. with new features such as 3-D movies, shows, and now 3-D pornography
Man: Hey babe, instead of this whole wedding thing, why dont we get a new t.v.

3-D pornography by dougiephresh March 16, 2011

3-d period 

When a period is so heavy that it's thick and chunky

Boy: "Hey wanna have period sex?"
Girl: "We really shouldn't, this is a 3-D period"

3-d period by ShortStuff801 April 18, 2015

3-D Porn

1: Porn thats like avatar in the sense that its 3-D and shit.

2: Porn that you can watch were its actually you're going to get came on the face, or poked in the face, or you can smell the girls stinkyspeedway.

1: Josh: Wow dude! That dude just came all over my chin!

Wyatt: This 3-D porn is awesome! Its almost like im in her stinkyspeedway!

2: Dude! This 3-D porn is crazy! Its like that guys dick was poking me in the face!

3: Its 3-D and shit.

3-D Porn by DickmastaJ May 21, 2010