(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.

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

Alternative form of how do you do

plural of how do you do

(intransitive) To engage in a fight; to battle.

(transitive, idiomatic) To fasten (a piece of clothing, etc.); to tighten (a nut etc.)

(euphemistic, slang) To engage in sexual intercourse.

A temporary or makeshift expedient.