Verb: The act of fondling,playing, or squeezing a sack and or bag that could be resembled as male genitalia.
"Bruh, did you take that girl home from the bar last night? "
"Ya,she was really good at shaking the bag."
"Ya,she was really good at shaking the bag."
by DrunkenPeach February 8, 2017
On the streets shaking that bag often means you got a oz of weed or drugs anything you put in baggie so you say I'm shaking that bag of example...
by Brock420 December 21, 2018