To give off (vapour, waste matter etc.); to exhale (an odour etc.).
Of plants, to give off water and waste products through the stomata.
To become known; to escape from secrecy.
To happen, take place.
To put perhaps too much effort into a recreational activity, typically a game.
A person usually of little talent who tries hard to succeed, especially through imitation, usually to gain fame or popularity.
A person who is perceived as putting too much effort into something recreational, such as a game.