bowl over

verb

1. To overwhelm; to cause to fall to the ground.

   “This tribe lived largely upon the smaller animals which they bowled over with their stone hatchets after making a wide circle about their quarry and driving it so that it had to pass close to one of their number.”

   “The Celtic midfielder appeared to be bowled over by Milorad Pekovic but Italian referee Luca Banti waved play on.”

2. To overwhelm with astonishment or wonder; to flabbergast.
3. Used other than figuratively or idiomatically: see bowl, over.