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Three-letter acronym. The use is similar to SMH, but this is usually directed towards a person. It's like sighing towards a person. It stands for:

guy1: Yo, did you hear about that new game exclusive on 360?

guy2: i have ps3

guy1: ...NTD
by samur-ai September 08, 2010
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Net Transmitted Diseases
an acronym pertaining to Spyware and Viruses picked up while surfing the internet with out the protection of anti-virus and anti-spyware programs.
Customer: I keep getting pop-ups, and i can't open internet explorer with out receiving and error

Computer tech: It shounds like you have contracted a bad case of NTDs
by Eric Walkuski September 15, 2006
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NTD - Nothing to do. State of mine where there is so little to do you just go blaze or do drugs and sit around. Doing nothing, everywhere you go there is nothing to do. Wherever you are you kinda want to be someone where else.
-Hey dude, what's going on today?
-Word, ill bring the bong.
=Yep, gunna sit around
by Ryan H. K. March 10, 2008
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The state of having nothing to do which occurs all day everyday. More than likely this results in you wanting to get stoned. There is never anything to do anywhere, and wherever you are you probably want to be somewhere else. A Way of Life!
Ryan: "Yo, what you doing today?"
Greg: "Ntd"
Ryan: "Word, ill bring my bong?"
Greg: "Yeah, I have some chips we can eat."
Ryan: "Yeah we can listen to my new techno CD, its crazy!"
Greg: "yeah lets sit around and do nothing basically"
Ryan: "Yup... NTD... like usual.."
by Ryan H. K. March 11, 2008
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whenever you see at least 5 hot girls wearing thongs on one day and you think to yourself, "mmm, mm mm, mmm
Dude, it's NTD today. I saw like 7 hot chicks wearing thongs today. I almost had to go to the bathroom to jack off!
by Dan Solomon November 13, 2003
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