Verb
Used other than figuratively or idiomatically: see break, cover.
(idiomatic, by extension) To disclose one's real thoughts and intentions.
Government MPs sympathetic to the opposition's arguments are starting to break cover.
More game will congregate in those areas and in many cases, they’ll break cover and head into open fields to feed. Source: Internet
Now – for a hot second – is the time to break cover. Source: Internet