eat out

verb
  1. 1

    To dine at a restaurant or such public place.

    โ€œJacky wanted Korean barbecue, but his mom didn't want to eat out.โ€

  2. 2

    To erode or encroach upon by gradually consuming.

  3. 3

    To perform cunnilingus or anilingus on.

  4. 4

    To reprimand severely.

    โ€œHe will eat me out if he hears I ate his girlfriend out.โ€

Synonyms

Source: https://en.wiktionary.org/wiki/eat%20out