crabwalk verb 2noun 1forms 3 verb2 •To perform a crabwalk •To walk like a crab noun1 •A form of exercise involving "walking" on one's hands and feet while facing upward.As a recent morning workout began at the gym, Rooney led the fighters through a series of knee bends, jumping jacks and crabwalks. — 2008 formscrabwalked · crabwalking · crabwalks