eat up

verb

1. To consume completely.

   “He was so hungry that he ate up everything on his plate.”

   “Dinner is served. Eat up!”

2. To cause (someone) to obsess; to figuratively consume (someone).

   “His anger has been eating him up.”

3. To subtract, use up.

   “His behavior has eaten up all the goodwill we felt towards him.”

   “The powerful car ate up the miles.”

4. To accept or believe entirely, immediately, and without questioning.

   “She ate up everything that her image consultant said.”

5. To acclaim or praise (someone or something); to consume (absorb information).

   “They eat up every book he puts out.”

   “There are a number of subsidiary plots and characters that don't ring entirely true, and the ending is straight out of “The Perils of Pauline,” but I ate it all up anyway, because in the last analysis the opera has a kind of honest, disarming sentimentality.”

6. To find something to be very cute.

   “You're so cute, I could just eat you up!”

7. To go quickly on a route.

   “We ate up the road to Pennsylvania.”

   “You're gonna have to eat up the whole way there.”

8. To be very good at; to succeed at; to smash. (Compare eat and leave no crumbs.)

   “One fan shared a snippet from the music video wherein Jungkook and Han So-hee are drowning in water. Despite the catastrophic situation, the lovers are squabbling with each other. The fan commented: “The laundromat cause they ate that up”.”

9. To completely dominate someone else, especially with a comeback or clapback.

   “Girl, you ate him up!”