eat away at
Destroy gradually, erode; also, worry one constantly. For example, The sea has been eating away at the outer banks for years, or The fact that he failed the test is eating away at him. [Early 1800s]
Buzzwords Tasty Enough To EatWhat are some buzzwords used by food marketers to get you to buy and eat their products? (And, come back for seconds.) And, should you fall for the hype?
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.