Meaning of crab-walk in English:

crab-walk

verb

[no object]mainly North American
  • Move sideways or diagonally, typically in an awkward or furtive manner.

    ‘to climb the stairs one would have to crab-walk past the basin’
    • ‘it now appears they are crab-walking away from much of their original policy’

noun

(also crab walk)
mainly North American
  • A physical exercise in which a person holds their body off the ground with chest facing upward and knees bent and moves around by shifting their hands and feet.

    • ‘to conclude the workout we did a circuit of crab walks and low lunges’