30 deep Share definition Flag when niggas roll 30 deep, its when they got at least 30 dudes in their crew. "beef is when you roll no less than 30 deep" -biggie smalls, whats beef? 30 deep by hiphophead293847 August 17, 2009 0 0 Get merch Get the 30 deep mug. Buy Now — $32.95 See more merch