(informal, transitive) To discard, to throw away, to toss out. / (transitive) To empty a container by turning its contents out over a surface.

To feign muteness. / To feign stupidity or ignorance of some knowledge, usually in order to avoid responsibility or gain some advantage.

A person who is very intelligent, but socially dull. / A person who is very intelligent in one limited sphere, but inept in other areas.

Alternative spelling of dumb show

Alternative spelling of dumbwaiter

(chiefly computing) A large volume of data supplied at the same time.

To speak expositorily and at length regarding one's knowledge about a subject.

plural of info-dump

Third-person singular simple present indicative form of info-dump

plural of dumb ass