A children's game where players vault over each other's bent backs. Also used figuratively for leapfrogging in competition.
The children are playing leapfrog in the schoolyard.
He leapfrogged over his rival company and got promoted.
Standard kanji spelling for leapfrog.
Variant spelling using 飛び instead of 跳び.
Compound of 蛙 (frog) and 跳び (jumping), literally 'frog jump'.