(derogatory) One who advocates a certain course of action, often of political or social concern, with the naive conviction of their own moral superiority.

Of or pertaining to do it yourself.

A practitioner of do it yourself.

The practice of doing home improvements and maintenance oneself, rather than employing a professional.

(transitive, idiomatic) To perform a magic or optical trick with the use of hidden mirrors, implying trickery and sham.

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

(intransitive) to wash up dirty crockery (plates and dishes) and cutlery (knives, forks, and spoons)

(intransitive) To be engaged in business, to be involved in commerce or trade. / (slang) To urinate or defecate, especially a house pet

To need something that would be beneficial.

(chiefly transitive) To manage despite the lack of. / Used other than figuratively or idiomatically: see do, without.