an acronym pertaining to Spyware and Viruses picked up while surfing the internet with out the protection of anti-virus and anti-spyware programs.
Computer tech: It shounds like you have contracted a bad case of NTDs
-Word, ill bring the bong.
=Yep, gunna sit around
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.."