a safety valve

a safety valve

a way of allowing someone to express strong or negative emotions without harming other people (often + for ) I often think football acts as a safety valve for a lot of stored-up male aggression.
See also: safety, valve
References in periodicals archive ?
GASCO has asked customers to change the current serrated gas cylinder valve (horizontal) with the new vertical self-closing valve powered by a safety valve to reduce the pressure inside the cylinder to prevent possible damage.
He said: "It was a safety valve I guess for my future.
We feel very strongly that a safety valve of some sort is needed,'' said Linda Adams, secretary of the California Environmental Protection Agency.
Democrats say they don't necessarily object to the concept of a safety valve, but they are concerned about making sure it is difficult to activate, rather than something that responds to, for example, a slight dip in the economy.
It is due to that long lineage of in-house innovation that allows Furmanite to offer a Safety Valve Repair Solution that is unmatched in quality, safety and cost-efficiency.
flow which is the highest flow rate with external springs, the elimination of a safety valve nozzle, the elimination of deflection or pneumatic tools for assembly and disassembly of the valve and thus enhancing worker safety, reduced new car construction costs, reduced maintenance cost with no costly detours to repair facilities and price competitive.