eat out

verb

1. To dine at a restaurant or such public place.

   “Jacky wanted Korean barbecue, but his mom didn't want to eat out.”

   “(Sandra) I'm hungry, Dad. When will you finally make dinner? (Dad) Later. I have to finish this level first. (Sandra) Daddy! I'm hungry now! (Dad) Alright. here, Go eat out.”

2. To erode or encroach upon by gradually consuming.
3. To perform cunnilingus or anilingus.

   “The lesbian couple ate each other out.”

   “I mean, is it as bad as eating her pussy out? No, but it's the same fuckin' ballpark.”

4. To reprimand severely.

   “He will eat me out if he hears I ate his girlfriend out.”

5. Used other than figuratively or idiomatically: see eat, out.