Jmacdaddy Effect Share definition Flag An alcoholic drink made by combining Mountain Dew and Malibu "What happened last night?" "You had that Jmacdaddy Effect." Jmacdaddy Effect by Jet$OverEverything March 18, 2010 0 0 Get merch Get the Jmacdaddy Effect mug. Buy Now — $32.95 See more merch
