Rusty kreiger Share definition Flag A mixed drink made of equal parts tequila, coffee liquoer, and human breast milk. If we added milk it would be a white Mexican but all we have is breast milk. Which would make it a Rusty Kreiger. Rusty kreiger by Casket time with Murray January 17, 2017 0 0 Get merch Get the Rusty kreiger mug. Buy Now — $32.95 See more merch