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A ludicous word that Mary J. Blige invented to poorly fit the rhyme-scheme of a mediocre song.

Means: dance club, night club, or ghetto bar.
"Let's get it crunk come on and
have fun upon up In this dancery
We got ya'll open, now ya floatin'
So you gots to dance for me
Don't need no hateration, holleration
In this dancery
Let's get it perculatin' while you're waiting
So just dance for me"

obviously dancery is not the only word Mary made up.
by chris-"topher" April 07, 2003