plural of do-si-do

(formal) A greeting used upon being introduced to someone. Alternatives are pleased to meet you and nice to meet you. (Sometimes used as a rhetorical question among familiar parties, depending on the region).

(UK, euphemistic) A difficult situation

(idiomatic) To achieve social acceptance or financial success as a result of behaving in a benevolent or charitable manner.

Alternative form of how do you do

If you don't have a lot of money, extend the life of what you have.

plural of how do you do

(idiomatic, colloquial) An intensified version of what? or huh?, expressing surprise or lack of comprehension

Valiant deeds in desperate times. / Brave and adventurous (albeit often reckless) actions.

(intransitive, idiomatic, informal) To survive, get by (with), or use whatever is available (due to lack of resources). / (transitive, informal) To put into action.