Ackin' a monkey Share definition Flag When your chirrens be actin' up out in public. Believed to be indiginous to the southern US. I watched as the child's momma grabbed him by the hand and shook him wildly screaming "I told you quit ackin' a monkey!" Ackin' a monkey by Lynnoflyns April 19, 2007 0 0 Get merch Get the Ackin' a monkey mug. Buy Now — $32.95 See more merch