ALL HANDS

an action requiring a huge burst of activity is called an all hands action. Thus a mailing to be stuffed in envelopes and mailed, a huge doorbell ringing campaign to get individual purposes, a big drive to persuade civic groups by individual calls-all these are all hands actions. (HCO PL 3 Dec 68)

(colloquial) all the members of a party, especially when collectively engaged in work. And all hands ought to pitch in on that project to straighten it out, and you'd get adjudication in the courts, case would settle.

In the language used on ships, "all hands" means the whole crew, as in the phrase, "All hands on deck". (see Brewer) (colloquial) all the members of a party, especially when collectively engaged in work.