zusammenschlagen

Verb

 * 1)  to beat up, rough up
 * 2)  to hit two things against each other, to clap etc.
 * 3)  to close and lay aside (paper or the like), often with some vigour
 * 4)  to break, crash down
 * 5)  to overwhelm, engulf, crash down over
 * 1)  to break, crash down
 * 2)  to overwhelm, engulf, crash down over
 * 1)  to overwhelm, engulf, crash down over