high def 

it stands for definitely

a: "are u a douchebag?"
b: "high def"

high def by Charles yeah yeah yeah July 31, 2008

High Def 

To deficate from and elevated position

the public toilets where so bad i had to take a high def.

High Def by Ricardo Botterill September 11, 2007

High Def 

The state of being extremely high. Because, your definently high. hence def. Not to be mistaken for high defintion (HD). Although, it is common to be High Def while watching High Def television

After I smoked that blizunt i became elevated to High Def status

High Def by Mr. Logan J C October 6, 2010

High-def 

An inability to hide anything or from anything. With extreme clarity.

We live in a high-def culture, that exacts a high price if any imperfection can be seen.

hi-def
HiDef

High-def by spbyrne June 14, 2009

High Def the TV 

when the TV is so dusty that after you finally get around to dusting it, it looks like High Definition

Hey, this is my favorite show, high def the TV for me!!

High Def the TV by laughingBrunette April 13, 2011

high def moment 

Viewing any High Definition video and seeing something that, if the video was in standard definition, would otherwise have gone unnoticed or unrecognized. As long as the source is outputting at 720p or above, it is considered High Definition.
See also - HD Moment

I had a high def moment when I noticed my friend in the stands while watching the basketball game.

high def moment by Jenkem Hog January 29, 2008

Animation Domination High-Def 

The channel which is most popular for creating the "scientifically accurate" videos made for spoiling the cartoons we grew up with and enjoyed watching, effectively ruining everyone's childhood. They joined YouTube on September 25, 2012, and their last video was published to YouTube on February 26, 2016.

Animation Domination High-Def is a block of cartoons premiering on 1/22 at midnight on FXX & all over the Internet all the time for people that don't have time to wait for their TV - who does anymore. Not me. Hi youtubers I love you! Let's touch the screen together. Ok now let's kiss. Hi!

Animation Domination High-Def by WhoDatFreshBoi June 15, 2019