eat (someone's) ass out

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eat (someone's) ass out

1. rude slang To vehemently or furiously scold or reprimand someone, especially in the military. The captain ate my ass out after I came back to the barracks drunk.
2. vulgar slang To sexually stimulate someone's anus with one's mouth.
See also: ass, eat, out
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

eat someone's ass out

Rebuke or scold harshly, as in Watch it or the sergeant will eat your ass out. This expression became wide-spread especially in the armed forces. [ Vulgar slang; c. 1940]
See also: ass, eat, out
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
See also: