Definition of move up in US English:

move up

phrasal verb

  • Adjust one's position, either to be nearer or make room for someone else.

    ‘there'd be room for me if you'd just move up a bit’
    • ‘I asked one man to move up a bit so I could pass by.’
    • ‘If someone takes the seat next to you, please move up a bit so they aren't hanging off the end.’
    • ‘‘Could you move up, do you think?’ I asked a big guy in builder's boots.’