Top Definition
SDG
single digit great-when a person gets a single digit amount of greats on a song of DDR
i got a sdg on max 300 only 8 of them...thats frickin amazing!
by Jonathan April 25, 2004
2 more definitions
SDG
Super Duper Gay
That fair is so SDG

Wow you're bag is so SDG

I think that fella is SDG
by cowgalnumbaone October 30, 2013
SDG
Super Dimensional Guard

The force that has a base in the sky and is very secretive. They work to keep the dimensions stable and to maintain the peace of Neotopia.
The SDG base hangs from a sattelite.
by Dogman November 30, 2003

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