To use up a resource in a nonproductive manner.
To dispose of (unusable explosive natural gas from an oil well) by burning it as it emerges from the well.
To dissipate as the result of heat.
To fill (low-value air time) with programming not suitable for its original purpose.
To cause to dissipate by applying heat.
To fail due to overheating.
To expend energy resulting from metabolizing food.
Cause to waste energy.
To free or make available.
To remove or clear a block or obstruction from.
In whist, to throw away a high card so as not to interrupt one's partner's long suit.
To enable communication again, via telephone, instant messaging, etc., with (somebody previously blocked).
The removal of a block or blockage.