A relief valve set to open at a pressure below that at which a container (such as a boiler) would burst. / (figuratively) Any mechanism offering relief from pressure or tension, e.g. emotionally.

(transitive) To make too emotional. / (intransitive) To behave too emotionally.

(slang, Australia) Any type of alcoholic drink, especially a beer, ordered with the intention of becoming heavily intoxicated.

plural of coliseum