What does Beefing on my stacks mean?

Beefing on my stacks meaning in Urban Dictionary

From the metropolitan Ohio Univeristy dictionary produced by conversations after long nights on legal Street. Coined by a frat boy living on Stewart St at OU. Beefing back at my stacks describes a person who is dissing for you, hating or showing you disrespect to you, your piles or your individual possesions. Other terms that may be utilized tend to be "why you beefing". An individual who constantly "beefs of stacks" is considered a "pile beefer".