alumni thug Share definition Flag a person that finished high school and college, most likely grew up in the suburbs, and is a thug by choice. person 1: ohh man craig is soo hard! person 2: oh that bitch?! man he's an alumni thug! alumni thug by Leelz July 28, 2006 0 0 Get merch Get the alumni thug mug. Buy Now — $32.95 See more merch