Top Definition
A weapon, normally easily concealable... take a small caliber pistol or knife for example
"Back in Colorado, I made her hooka follow, Hollah money over bitches thats a nigga motto. Got my Rallo, tucked and its full of hollows, got my bitches on tha corner like its no tomorrow."
by WigityWigityWizayne April 01, 2008

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