bring-on

Verb

(third-person singular simple present bring on, present participle bringing on, simple past and past participle brought on)

(idiomatic) To cause.
Excessive drinking can bring on depression
(idiomatic) To make something appear, as on a stage or a place of competition.
(idiomatic, intransitive, US, informal, often as imperative) To pose a challenge or threat; to attack; to compete aggressively.

English Wiktionary. Available under CC-BY-SA license.