What is Burst ?
Burst is (noun) 1. a sudden loud sound There was a burst of gunfire and then silence. Bursts of laughter came from the office. 2. a sudden effort or activity He put on a burst of speed. In one of her periodical bursts of efficiency she sorted out the old stock. (verb) to explode suddenly A water main burst in the High Street. When she picked up the balloon it burst. the river burst its banks the river flooded to be bursting at the seams to be very full, not to have any more space The schools are bursting at the seams.
source: Easier English, Student Dictionary Upper Intermediate Level