Ichidan verb, Transitive verb
to hit hard; to strike hard
警棒で空をなぐりつけ、よろめいて体勢をたてなおしたガードマンは、自分に向かって突進してくる金網づくりのクズカゴを見た。The guard's truncheon hit air. Off balance, he regained his posture to see a metal-mesh rubbish bin flying towards him.
Also written 殴り付ける【なぐりつける】