Abbreviation for "God Damn
Baby" - pioneered by house artist AYYBO.
GDB is a
verb,
noun, adjective, lifestyle, movement, and an all around way of being.
It can be used to express that you like what you see or hear, with an all encompassing positive connotation.
AYYBO:
Yo! Listen to this banger house track.
Joey: (listens to banger) GDB!! THIS IS A BANGER!!
AYYBO: Yo! I just got into Harvard!
Joey: GDB.