To reprimand someone severely; rebuke harshly; CHEW someone OUT: Out came Joe McCarthy from the Boston dugout all set to eat me out(1940s+)
To do cunnilingus or analingus (1960s+)
The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D. Copyright (C) 2007 by HarperCollins Publishers. Cite This Source
