(idiomatic) To refuse, decline, or deny. / (idiomatic) To reduce the power, etc. of something by means of a control, such as the volume, heat, or light.

present participle of dumb down

(idiomatic, transitive) To convey some subject matter in simple terms, avoiding technical or academic language, especially in a way that is considered condescending.

Perfected; practiced ease and confidence.

(idiomatic) To consume (food) quickly or greedily, without regard for table manners.

(idiomatic) to examine information at another level or in greater detail; especially in a database, to navigate to a more detailed level or record

(of marching bands) an internal competition used to practice marching commands, in which the last person caught improperly executing a command wins

(intransitive) To assume a sitting position from a standing position. / (transitive or reflexive) To cause to be seated or in a sitting posture; to furnish a seat to.

(idiomatic, euphemistic, colloquial) To perform oral sex upon (a person of either sex).

To act as a ballast for. / (idiomatic) To be too much for someone to cope with.