Brackalackin Share definition Flag The word ''brackalackin'' is slang for greeting someone like saying ''what's up'' this word originates from south London street slang. What's brackalackin? What's brackalackin dude how's the kid's? Brackalackin by Vidiras March 16, 2022 0 0 Get merch Get the Brackalackin mug. Buy Now — $32.95 See more merch