v. To curdle milk. n. 1. Milk or cream that has curdled and thickened. 2. A popular dish of the Old South, clabber is naturally clabbered raw milk. Depending on its thickness, icy-cold clabbered milk was (and sometimes still is) enjoyed as a drink. It may also be eaten with fruit, or topped with black pepper and cream or simply sprinkled with sugar.
From The Food Lover's Companion, Fourth edition by Sharon Tyler Herbst and Ron Herbst. Copyright © 2007, 2001, 1995, 1990 by Barron's Educational Series, Inc.