simple past tense and past participle of sleep talk

(dated, derogatory) Speech seen as vulgar and improper, especially that associated with uneducated and low-class people; slang.

(idiomatic) To talk for a long duration of time, at a rapid pace without giving others a chance to speak, or to the point of tedium.

(idiomatic) To speak quickly or excessively.

(intransitive, idiomatic, obsolete, slang) To prattle.

(idiomatic) A phrase indicating agreement with a previously stated suggestion to change a course of action.

Speaking, promising, or boasting much, but doing little.

(idiomatic) All talk and no results.

present participle of talk out of turn

(idiomatic) To make a remark or provide information when it is inappropriate or indiscreet to do so, or when one does not have permission or the authority to do so.