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.

Used other than figuratively or idiomatically: see go, down. / (intransitive, of a heavenly body) Synonym of set, to disappear below the horizon.

Inverted, so that the top is now at the bottom. / In great disorder.

Inverted; turned so that the top is at the bottom. / In great disorder. / (finance) Owing more money for something than it is worth; having negative equity.