Definition of pudding face in US English:

pudding face

noun

informal
  • A large chubby face.

    • ‘Who are you calling a Hanoverian pudding face?’
    • ‘She agonizes over choosing between Austen, a classmate who affectionately, if not entirely believably, calls her ‘Pudding Face’, and Jason, the flirtatious older boy who moves in across the street.’