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.
Thanks to that HD moment, I was finally able to see the dummy T1000 driving the truck in Terminator 2.
by Jenkem Hog January 29, 2008
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Someone who only watches HD. Someone who wont watch anything that isn't in HD and acts superior about it. Similar to a Blu Ray whore
see Brendon Silver whos an HD whore
by Guessifyoucan October 20, 2008
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being high and drunk at the same time
H-high
D-drunk
me: you shoulda seen it i clapped keon last night in call of duty like i was ray rice on the elevator
keon: nah bro it wasn’t fair i had HD vision.
by nelkisgod3000 January 21, 2020
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A popular motor vehicle manufactured in Australia by General Motors Holden between 1965 and 1966 which still, to this day, holds the Australian record for the most cars sold in one month and also the most sold in 14 months.
by rogsamsy November 30, 2016
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When someone surfs the TV guide to watch something just because it is in high definition.
Joe was watching some TV when he saw a Britney Spears special in high def. He turned it on and realized he was a hd-aholic.
by roy21 September 3, 2008
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A line of video cards made by ATI and the next series after the standard Radeon series. These video cards are typically stronger, faster and have more features such as Eyefinity, ATI Stream, and Avivo HD. However, the latest cards are relatively large and quite expensive. The latest is the HD 5970 which is known as on of the fastest cards to date. The latest series in the Radeon HD line is the 5XXX series which was meant to have Microsoft's DirectX11 integrated and widely available on the market.
Man: "Dude!!! I just got a Radeon HD 5970 for my computer!!! It's gonna pwn some ass!!!"

Friend: "Do you have a full tower case to fit it in?"

Man: "..... @%$#!!!"
by mistahskinnymahn June 22, 2010
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A fat chick. hd stands for heavy duty.
"Damn son, Matt is talking to some hd girls"
"You know he loves those sure things"
by AR Garza March 11, 2008
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