Definition of eat someone up in US English:

eat someone up

phrasal verb

usually as adjective eaten up
  • Dominate the thoughts of someone completely.

    ‘I'm eaten up with guilt’
    • ‘You want to be there the whole time, it just eats you up inside when you're not there.’
    • ‘Yet, finally her inner loneliness is eating her up, the feeling that she belongs nowhere, an outcast among the outcastes.’
    • ‘‘If you take it too seriously it's going to eat you up,’ the Brisbane swimmer said.’
    • ‘The guilt continued to grow and eat me up inside for all the innocent beings I had been part of killing for so long.’
    • ‘I've been sober for ten years, had small children and know the guilt and how that can eat you up so hang in there.’
    • ‘I didn't want hate to eat me up - I didn't want to become a man-basher or hate a whole religion because of one monk.’
    • ‘That would be too much of a luxury, besides, guilt would eat me up.’
    • ‘That's not something I'm proud of, not something I'd not dearly love to change someday, not something that doesn't quietly eat me up.’
    • ‘It's important that when you're not working you live a life, because it can eat you up inside and you just do job after job after job.’
    • ‘If I go through the rest of my life hating the people who killed my son and letting that eat me up and destroy me, that will happen to my children too.’
    absorb, preoccupy, engross
    View synonyms