loudpack Share definition Flag A term usually used to describe high-quality marijuana that one may be carrying or sells. Of East Atlanta origin. "Ay bro, who you say dat was dat had dat loudpack?""We comin thru, and we bringin da loudpack" loudpack by djluminus89 April 16, 2010 0 0 Get merch Get the loudpack mug. Buy Now — $32.95 See more merch