2 definitions by linyouyao

Top Definition
Simulational Demo Driving Development is a process of software design and development. There is a full but not complete disign and discuss before development.
SDDD is a good process of software development.
by linyouyao March 06, 2010
oh shit, 3 seconds.
When you lose the bet and you sniff the bad smell of one's foot for 3 seconds as a punishment, then you will say: os3s! (oh shit, 3 seconds!)
by linyouyao December 05, 2008
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