A SPURT is a short burst of energy, usually lasting only a few seconds. It is often used to describe a sudden increase in activity or intensity, such as a burst of speed in a race or a quick burst of energy when lifting a heavy object. SPURT is also used to describe a sudden increase in emotion, such as a burst of joy or anger. In this context, the term 'short burst of energy' can be used to describe a SPURT.