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A Proper Noun: Any group of 4 or more individuals who regualarly get "crunk" (see "crunk") in a yard.

In this instance "crunk" refers to any altered state of mind often involving boxed wine, and is not simply limited to a yard.

alt def::
can also be used to refer to the the group of people.
"Yo, what time crunkyard at tonight?"

"Where my crunkyard at?"
by CrunkYard February 03, 2010