eat upverb

• 1

  To consume completely.

  • He was so hungry that he ate up everything on his plate.
  • Dinner is served. Eat up!
• 2

  slangTo 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

  informalTo accept or believe entirely, immediately, and without questioning.

  • She ate up everything that her image consultant said.
• 5

  slangTo 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

  informalTo find something to be very cute.

  • You're so cute, I could just eat you up!
• 7

  slangTo go quickly on a route.

  • We ate up the road to Pennsylvania.
  • You're gonna have to eat up the whole way there.
• 8

  slangTo 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”.