ripple through something
1. Lit. to move through a liquid so as to cause ripples or tiny waves. The canoe rippled through the still water. A tiny snake rippled through the water of the swamp.
2. Fig. to move through something or a group of people in a ripple or wave motion. A murmur of excitement rippled through the crowd. Some giggling rippled through the group of children sitting by the door.
See also: ripple