Banzai bouncing off walls, taking down 2 Exes

He was already sliding down an old metal drainpipe. I launched myself across the alley, did a Jackie Chan bounce from the brick wall to the fire escape, back, and into a zombie’s head. The ex tumbled and I rode him to the pavement, letting my weight and momentum crush his skull. The force rolled me into a crouch that put me in a perfect place to sweep the other one. He hit the ground with a nice crack.

Excerpt From Ex-Heroes, pg 222
Peter Clines
https://books.apple.com/us/book/ex-heroes/id585738407