A slang used in reference to an object capable of doing damage to someone or something. An Alley Biscuit is mostly used either in self defense or for B&E(breaking and entering).
Person 1-"Hey they say that you're going to get that ass whooped today."
Person 2-"I ain't worried about a damn thing. I'll just grab an Alley Biscuit and take care of em."
Person 1-"Yeah, you might wanna do that."
Person 2-"I ain't worried about a damn thing. I'll just grab an Alley Biscuit and take care of em."
Person 1-"Yeah, you might wanna do that."
by Tuk Toi January 29, 2010
by Markimus April 21, 2006