Greasy Beaner Share definition Flag To defecate on a Mexican girl after a two-week-long diet of nothing but greasy American truck stop and diner food. Adam gave that little chicana a real greasy beaner, she was completely covered in excrement. Greasy Beaner by Shipreck October 2, 2007 0 0 Get merch Get the Greasy Beaner mug. Buy Now — $32.95 See more merch