(colloquial, of an event or of one's fortunes) To go wrong; to go downhill. / (colloquial, especially Southern US and Midwestern US, of a person) To go bad; to turn toward immorality or crime.

present participle of break bad

(Britain, Ireland) Bad luck, failure, or evil befalling.

plural of bad trip

An action or thing that suggests something is wrong. / An unlucky star sign.

Unfavourably, with offence, resentfully. (Chiefly with take.)

plural of bad girl

Used other than figuratively or idiomatically: see bad, girl. / (slang) A female criminal. / A woman whose rebellious nature makes her attractive.

(figuratively, used with a possessive) Disfavor.

(chess) A bishop that is blocked by the player's own pawns.