Preppie Speedball Share definition Flag When a young, white, upperclass person drinks 2 redbulls and then takes 2MG on Xanax behind it. Man that preppie speedball kicked my ass. Preppie Speedball by Kimmer24 August 6, 2009 0 0 Get merch Get the Preppie Speedball mug. Buy Now — $32.95 See more merch