Meaning of like billy-o in English:

like billy-o

phrase

informal British
  • Very much, hard, or strongly.

    • ‘I had to run like billy-o’
    quickly, fast, swiftly, speedily, at speed, at full speed, at the speed of light, post-haste, hotfoot, at full tilt, as fast as one's legs can carry one, at a gallop, expeditiously, briskly, promptly