interjection
heave-ho; yo-heave-ho
A rhythmic shout used by construction workers, sailors, or groups when pulling or lifting something heavy together.
「よいとまけ!」のかけ声で、みんなで綱を引いた。
With a shout of 'yo-heave-ho!', everyone pulled the rope together.
The exact origin is uncertain; it is a traditional work chant used to coordinate group effort.